Hey, after the latest update, I can't manage to launch Nautilus.
Initially, I tried launching it through the terminal, the terminal threw the following error:

Connecting to org.freedesktop.Tracker3.Miner.Files GDBus.Error:org.freedesktop.DBus.Error.NoReply: Remote peer disconnected

Then, I tried to launch it using sudo and it worked. So I thought it would have something to do with the Gnome themes, which I disabled and tried again, no success.
After reading the following similar post, I uninstalled it and installed Nemo instead.
https://discuss.getsol.us/d/11073-nautilus-doesnt-launch
But now, none of my applications open Nemo as default application. So, for instance, I can't upload files, because the dialogue box for file selection doesn't pop up. I can't download files, because the download dialogue box doesn't pop up.
So I tried to uninstall Nemo and install Nautilus again, and now the terminal throws the following message:

** Message: 13:26:12.592: Connecting to org.freedesktop.Tracker3.Miner.Files

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.628: Theme parser error: gtk-contained-dark.css:17:88-107: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.628: Theme parser error: gtk-contained-dark.css:19:7-14: Unknown pseudoclass

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.628: Theme parser error: gtk-contained-dark.css:21:17-24: Unknown pseudoclass

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.628: Theme parser error: gtk-contained-dark.css:23:12-19: Unknown pseudoclass

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.628: Theme parser error: gtk-contained-dark.css:25:22-29: Unknown pseudoclass

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.628: Theme parser error: gtk-contained-dark.css:27:13-20: Unknown pseudoclass

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.628: Theme parser error: gtk-contained-dark.css:29:23-30: Unknown pseudoclass

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.628: Theme parser error: gtk-contained-dark.css:31:12-19: Unknown pseudoclass

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.629: Theme parser error: gtk-contained-dark.css:33:22-29: Unknown pseudoclass

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.629: Theme parser error: gtk-contained-dark.css:35:12-19: Unknown pseudoclass

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.629: Theme parser error: gtk-contained-dark.css:37:22-29: Unknown pseudoclass

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.629: Theme parser error: gtk-contained-dark.css:39:9-16: Unknown pseudoclass

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.629: Theme parser error: gtk-contained-dark.css:41:7-14: Unknown pseudoclass

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.629: Theme parser error: gtk-contained-dark.css:43:6-13: Unknown pseudoclass

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.629: Theme parser error: gtk-contained-dark.css:45:7-14: Unknown pseudoclass

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.629: Theme parser error: gtk-contained-dark.css:47:4-11: Unknown pseudoclass

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.629: Theme parser error: gtk-contained-dark.css:49:14-21: Unknown pseudoclass

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.629: Theme parser error: gtk-contained-dark.css:51:4-11: Unknown pseudoclass

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.629: Theme parser error: gtk-contained-dark.css:53:6-13: Unknown pseudoclass

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.629: Theme parser error: gtk-contained-dark.css:55:16-23: Unknown pseudoclass

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.629: Theme parser error: gtk-contained-dark.css:81:119-138: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.629: Theme parser error: gtk-contained-dark.css:117:59-78: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.629: Theme parser error: gtk-contained-dark.css:135:79-98: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.629: Theme parser error: gtk-contained-dark.css:137:79-98: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.630: Theme parser error: gtk-contained-dark.css:329:156-175: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.630: Theme parser error: gtk-contained-dark.css:359:165-184: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.630: Theme parser error: gtk-contained-dark.css:367:90-109: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.631: Theme parser error: gtk-contained-dark.css:429:92-111: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.631: Theme parser error: gtk-contained-dark.css:433:90-109: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.631: Theme parser error: gtk-contained-dark.css:435:90-109: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.631: Theme parser error: gtk-contained-dark.css:437:89-108: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.631: Theme parser error: gtk-contained-dark.css:439:89-108: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.631: Theme parser error: gtk-contained-dark.css:467:81-100: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.631: Theme parser error: gtk-contained-dark.css:473:96-115: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.631: Theme parser error: gtk-contained-dark.css:475:96-115: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.631: Theme parser error: gtk-contained-dark.css:477:95-114: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.631: Theme parser error: gtk-contained-dark.css:479:95-114: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.631: Theme parser error: gtk-contained-dark.css:481:143-162: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.631: Theme parser error: gtk-contained-dark.css:495:180-199: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.631: Theme parser error: gtk-contained-dark.css:509:68-87: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.631: Theme parser error: gtk-contained-dark.css:515:103-122: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.632: Theme parser error: gtk-contained-dark.css:517:103-122: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.632: Theme parser error: gtk-contained-dark.css:519:102-121: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.632: Theme parser error: gtk-contained-dark.css:521:102-121: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.632: Theme parser error: gtk-contained-dark.css:523:160-179: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.632: Theme parser error: gtk-contained-dark.css:527:108-127: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.632: Theme parser error: gtk-contained-dark.css:529:108-127: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.632: Theme parser error: gtk-contained-dark.css:531:107-126: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.632: Theme parser error: gtk-contained-dark.css:533:107-126: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.632: Theme parser error: gtk-contained-dark.css:535:170-189: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.632: Theme parser error: gtk-contained-dark.css:537:47-66: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.632: Theme parser error: gtk-contained-dark.css:539:73-92: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.632: Theme parser error: gtk-contained-dark.css:541:72-91: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.632: Theme parser error: gtk-contained-dark.css:543:62-81: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.632: Theme parser error: gtk-contained-dark.css:547:78-97: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.632: Theme parser error: gtk-contained-dark.css:549:77-96: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.632: Theme parser error: gtk-contained-dark.css:551:67-86: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.632: Theme parser error: gtk-contained-dark.css:575:185-204: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.632: Theme parser error: gtk-contained-dark.css:585:151-170: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.632: Theme parser error: gtk-contained-dark.css:629:56-75: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.632: Theme parser error: gtk-contained-dark.css:631:64-83: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.632: Theme parser error: gtk-contained-dark.css:633:208-227: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.633: Theme parser error: gtk-contained-dark.css:717:128-147: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.633: Theme parser error: gtk-contained-dark.css:737:137-156: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.633: Theme parser error: gtk-contained-dark.css:745:65-84: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.633: Theme parser error: gtk-contained-dark.css:749:67-86: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.633: Theme parser error: gtk-contained-dark.css:759:138-157: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.633: Theme parser error: gtk-contained-dark.css:779:204-223: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.633: Theme parser error: gtk-contained-dark.css:781:172-191: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.634: Theme parser error: gtk-contained-dark.css:783:170-189: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.634: Theme parser error: gtk-contained-dark.css:785:160-179: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.634: Theme parser error: gtk-contained-dark.css:789:85-104: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.634: Theme parser error: gtk-contained-dark.css:793:84-103: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.634: Theme parser error: gtk-contained-dark.css:795:103-122: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.634: Theme parser error: gtk-contained-dark.css:797:115-134: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.634: Theme parser error: gtk-contained-dark.css:799:103-122: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.634: Theme parser error: gtk-contained-dark.css:801:115-134: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.634: Theme parser error: gtk-contained-dark.css:803:112-131: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.634: Theme parser error: gtk-contained-dark.css:805:112-131: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.634: Theme parser error: gtk-contained-dark.css:807:113-132: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.634: Theme parser error: gtk-contained-dark.css:809:125-144: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.634: Theme parser error: gtk-contained-dark.css:811:113-132: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.634: Theme parser error: gtk-contained-dark.css:813:125-144: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.634: Theme parser error: gtk-contained-dark.css:815:122-141: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.634: Theme parser error: gtk-contained-dark.css:817:122-141: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.634: Theme parser error: gtk-contained-dark.css:819:133-152: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.634: Theme parser error: gtk-contained-dark.css:821:133-152: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.634: Theme parser error: gtk-contained-dark.css:827:80-99: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.634: Theme parser error: gtk-contained-dark.css:855:85-104: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.634: Theme parser error: gtk-contained-dark.css:861:69-88: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.634: Theme parser error: gtk-contained-dark.css:863:448-467: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.635: Theme parser error: gtk-contained-dark.css:1015:124-143: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.635: Theme parser error: gtk-contained-dark.css:1021:180-199: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.635: Theme parser error: gtk-contained-dark.css:1023:180-199: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.635: Theme parser error: gtk-contained-dark.css:1025:178-197: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.635: Theme parser error: gtk-contained-dark.css:1027:178-197: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.635: Theme parser error: gtk-contained-dark.css:1029:312-331: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.635: Theme parser error: gtk-contained-dark.css:1105:391-410: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.635: Theme parser error: gtk-contained-dark.css:1111:340-359: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.636: Theme parser error: gtk-contained-dark.css:1349:81-100: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.636: Theme parser error: gtk-contained-dark.css:1353:61-80: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.636: Theme parser error: gtk-contained-dark.css:1355:259-278: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.638: Theme parser error: gtk-contained-dark.css:1699:6-13: Unknown pseudoclass

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.638: Theme parser error: gtk-contained-dark.css:1903:154-173: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.638: Theme parser error: gtk-contained-dark.css:1985:130-149: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.638: Theme parser error: gtk-contained-dark.css:1987:97-116: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.638: Theme parser error: gtk-contained-dark.css:1989:123-142: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.638: Theme parser error: gtk-contained-dark.css:1991:121-140: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.638: Theme parser error: gtk-contained-dark.css:1993:122-141: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.639: Theme parser error: gtk-contained-dark.css:2025:704-723: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.639: Theme parser error: gtk-contained-dark.css:2027:704-723: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.639: Theme parser error: gtk-contained-dark.css:2177:37-56: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.639: Theme parser error: gtk-contained-dark.css:2215:71-90: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.639: Theme parser error: gtk-contained-dark.css:2217:55-74: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.640: Theme parser error: gtk-contained-dark.css:2365:123-142: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.640: Theme parser error: gtk-contained-dark.css:2373:27-34: Unknown pseudoclass

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.640: Theme parser error: gtk-contained-dark.css:2429:18-44: No property named "-NaTrayApplet-icon-padding"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.640: Theme parser error: gtk-contained-dark.css:2491:63-82: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.641: Theme parser error: gtk-contained-dark.css:2529:118-137: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.641: Theme parser error: gtk-contained-dark.css:2531:135-154: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.641: Theme parser error: gtk-contained-dark.css:2585:22-29: Unknown pseudoclass

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.641: Theme parser error: gtk-contained-dark.css:2587:34-41: Unknown pseudoclass

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.641: Theme parser error: gtk-contained-dark.css:2589:51-70: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.641: Theme parser error: gtk-contained-dark.css:2599:30-37: Unknown pseudoclass

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.641: Theme parser error: gtk-contained-dark.css:2719:237-256: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.641: Theme parser error: gtk-contained-dark.css:2725:65-84: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.641: Theme parser error: gtk-contained-dark.css:2779:202-221: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.641: Theme parser error: gtk-contained-dark.css:2783:168-187: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.641: Theme parser error: gtk-contained-dark.css:2797:166-185: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.641: Theme parser error: gtk-contained-dark.css:2805:105-124: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.642: Theme parser error: gtk-contained-dark.css:2823:121-144: No property named "-PnlDockBin-handle-size"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.642: Theme parser error: gtk-contained-dark.css:3011:229-248: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.642: Theme parser error: gtk-contained-dark.css:3029:107-126: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.642: Theme parser error: gtk-contained-dark.css:3033:127-146: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.643: Theme parser error: gtk-contained-dark.css:3163:136-155: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.643: Theme parser error: gtk-contained-dark.css:3165:136-155: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.643: Theme parser error: gtk-contained-dark.css:3167:262-281: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.643: Theme parser error: gtk-contained-dark.css:3169:262-281: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.643: Theme parser error: gtk-contained-dark.css:3187:242-261: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.643: Theme parser error: gtk-contained-dark.css:3189:242-261: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.643: Theme parser error: gtk-contained-dark.css:3203:131-150: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.643: Theme parser error: gtk-contained-dark.css:3249:128-147: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.643: Theme parser error: gtk-contained-dark.css:3251:128-147: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.643: Theme parser error: gtk-contained-dark.css:3273:314-333: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.643: Theme parser error: gtk-contained-dark.css:3319:410-429: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.644: Theme parser error: gtk-contained-dark.css:3431:117-136: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.644: Theme parser error: gtk-contained-dark.css:3433:95-114: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.644: Theme parser error: gtk-contained-dark.css:3475:106-125: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.644: Theme parser error: gtk-contained-dark.css:3479:60-79: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.645: Theme parser error: gtk-contained-dark.css:3709:80-99: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.645: Theme parser error: gtk-contained-dark.css:3719:111-130: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.645: Theme parser error: gtk-contained-dark.css:3721:111-130: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.645: Theme parser error: gtk-contained-dark.css:3825:113-132: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.646: Theme parser error: gtk-contained-dark.css:3939:110-129: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.646: Theme parser error: gtk-contained-dark.css:4017:143-162: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.646: Theme parser error: gtk-contained-dark.css:4063:81-100: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.646: Theme parser error: gtk-contained-dark.css:4111:172-191: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.647: Theme parser error: gtk-contained-dark.css:4113:175-194: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.647: Theme parser error: gtk-contained-dark.css:4115:173-192: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.647: Theme parser error: gtk-contained-dark.css:4287:150-169: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.647: Theme parser error: gtk-contained-dark.css:4289:129-148: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.647: Theme parser error: gtk-contained-dark.css:4301:88-107: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.647: Theme parser error: gtk-contained-dark.css:4313:41-79: No property named "-NemoPlacesTreeView-disk-full-bg-color"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.647: Theme parser error: gtk-contained-dark.css:4313:90-128: No property named "-NemoPlacesTreeView-disk-full-fg-color"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.648: Theme parser error: gtk-contained-dark.css:4329:89-108: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.648: Theme parser error: gtk-contained-dark.css:4333:221-240: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.648: Theme parser error: gtk-contained-dark.css:4335:431-450: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.648: Theme parser error: gtk-contained-dark.css:4495:16-43: No property named "-XfwmTabwinWidget-icon-size"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.648: Theme parser error: gtk-contained-dark.css:4495:51-81: No property named "-XfwmTabwinWidget-preview-size"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.648: Theme parser error: gtk-contained-dark.css:4495:89-125: No property named "-XfwmTabwinWidget-listview-icon-size"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.649: Theme parser error: gtk-contained-dark.css:4531:130-149: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.649: Theme parser error: gtk-contained-dark.css:4533:156-175: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.649: Theme parser error: gtk-contained-dark.css:4535:155-174: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.649: Theme parser error: gtk-contained-dark.css:4537:130-149: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.649: Theme parser error: gtk-contained-dark.css:4539:156-175: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.649: Theme parser error: gtk-contained-dark.css:4541:155-174: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.649: Theme parser error: gtk-contained-dark.css:4567:261-280: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.649: Theme parser error: gtk-contained-dark.css:4629:127-146: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.649: Theme parser error: gtk-contained-dark.css:4655:93-112: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.649: Theme parser error: gtk-contained-dark.css:4697:101-120: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.649: Theme parser error: gtk-contained-dark.css:4699:101-120: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.649: Theme parser error: gtk-contained-dark.css:4761:121-140: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.649: Theme parser error: gtk-contained-dark.css:4763:120-139: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.649: Theme parser error: gtk-contained-dark.css:4765:117-136: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.649: Theme parser error: gtk-contained-dark.css:4767:119-138: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.649: Theme parser error: gtk-contained-dark.css:4769:120-139: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.650: Theme parser error: gtk-contained-dark.css:4771:76-95: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.650: Theme parser error: gtk-contained-dark.css:4791:148-167: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.650: Theme parser error: gtk-contained-dark.css:4837:225-244: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.650: Theme parser error: gtk-contained-dark.css:4883:113-132: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.650: Theme parser error: gtk-contained-dark.css:4929:94-113: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.651: Theme parser error: gtk-contained-dark.css:5023:158-177: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.651: Theme parser error: gtk-contained-dark.css:5025:158-177: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.651: Theme parser error: gtk-contained-dark.css:5055:163-182: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.651: Theme parser error: gtk-contained-dark.css:5061:211-230: No property named "-gtk-outline-radius"

(org.gnome.Nautilus:38378): Gtk-WARNING **: 13:26:12.651: Theme parser error: gtk-contained-dark.css:5079:65-84: No property named "-gtk-outline-radius"
MESA-INTEL: warning: ../src/intel/vulkan/anv_formats.c:763: FINISHME: support YUV colorspace with DRM format modifiers
MESA-INTEL: warning: ../src/intel/vulkan/anv_formats.c:794: FINISHME: support more multi-planar formats with DRM modifiers

(org.gnome.Nautilus:38378): Gdk-WARNING **: 13:26:13.216: The program 'org.gnome.Nautilus' received an X Window System error.
This probably reflects a bug in the program.
The error was 'BadMatch (invalid parameter attributes)'.
  (Details: serial 969 error_code 8 request_code 149 (unknown) minor_code 4)
  (Note to programmers: normally, X errors are reported asynchronously;
   that is, you will receive the error a while after causing it.
   To debug your program, run it with the GDK_SYNCHRONIZE environment
   variable to change this behavior. You can then get a meaningful
   backtrace from your debugger if you break on the gdk_x_error() function.)

And doesn't open.

How can I solve this? I need to download some files for work!

    henriiquecampos But now, none of my applications open Nemo as default application.

    Each Solus DE has a way to make that happen. There are ways to set default handlers for many applications. The exact details depend on the DE you're using, but if you'll tell me which one that is, I'll let you know how to change the defaults.

    Here's an example, from my Solus Plasma desktop:

    If you're not using Plasma, yours may look a bit different, but the idea's the same. Every Solus DE provides a way to set these defaults.

      As for Nemo, give it a try:
      Install Nemo and execute:

      xdg-mime default nemo.desktop inode/directory application/x-gnome-saved-search
      gsettings set org.gnome.desktop.background show-desktop-icons false
      gsettings set org.nemo.desktop show-desktop-icons true

      Check: xdg-mime query default inode/directory

        pomon Hey there, I just tried these prompts, but in he last one the terminal returns:

        No such schema “org.nemo.desktop”

        When I enter xdg-mime query default inode/directory it keeps returning:

        org.gnome.Nautilus.desktop

        Staudey No, I was using the default Plata Noir Compact, but then I changed to Adwaita to test if it was something missing in the theme itself, no success, so I changed it back to Plata Noir Compact

        pomon Hey, I managed to make it recognize nemo. All the prompts worked now and it returns nemo when prompted xdg-mime query default inode/directory but the issue still persists. I can't download anything nor upload anything.

        Guys, please help me. I can't upload files through Telegram nor Whatsapp apps nor download or upload through Brave or Firefox.

        I already installed Nemo, and did what @pomon suggested, but it's not workin

        when you navigate to find a file, select a file, then click OPEN on the file in order to upload--isn't Engrampa the middle man? not nemo/naut?

        PS--I would get rid of every shred of nautilus including all folders in /home.
        I know I'm missing something here

        You need to write more. What exactly is going on. Open Nemo in the terminal and see the errors. What does it mean that you can not send via Telegram.... others? Review the logs (journalctl).

        For instance, when I open Gmail to download the files sent by my coworkers, if I click "download" nothing happens. It was supposed to pop a window that allowed me to choose the file name and path.
        When using Notion if I press on upload image and nothing happens, it is supposed to pop a window that allows me to browse my files and select the file to upload.
        When using Telegram, the same thing, when I right-click a file and select the "save as" option, it doesn't pop the window that allows me to browse my files and choose the file name and path.
        If if press on the upload button, same thing, the file selection window doesn't pop.
        Same thing on Whatsapp and anything I try to do on Brave(my browser)
        When I drag and drop files on Telegram to workaround the upload process, it says "file [name of the file] is empty"

        This all started after past week update :/

        Can you try running the step 1-3 in here. And then sudo usysconf run -f . It is a wild guess, but this sound like something incomplete update.

        Edit: the step 3 might take times without any output. It is normal

          It seems like this was introduced in Gnome 47, as seen in this post.

          https://unix.stackexchange.com/questions/783899/debian-testing-gnome-47-nautilus-doesnt-start-anymore-why

          But I didn't manage to run these commands on Solus:

          sudo echo "GSK_RENDERER=cairo /usr/bin/nautilus \$@" > /usr/local/bin/nautilus
          sudo chmod a+x /usr/local/bin/nautilus

          It says

          bash: /usr/local/bin/nautilus: No such file or directory

            Where do we stand? Are you back to Nautilus or are we still running Nemo? If nemo, create a file in ~/.config/autostart nemo.desktop with the content

            [Desktop Entry]
            Type=Application
            Name=Nemo
            Comment=Start Nemo desktop at log in
            Exec=nemo-desktop
            AutostartCondition=GSettings org.nemo.desktop show-desktop-icons
            X-GNOME-AutoRestart=true
            X-GNOME-Autostart-Delay=2
            NoDisplay=false

            and reboot

            henriiquecampos sudo echo "GSK_RENDERER=cairo /usr/bin/nautilus \$@" > /usr/local/bin/nautilus

            If you want to create such a file in a given location, I suggest echo "GSK_RENDERER=cairo /usr/bin/nautilus \$@" | sudo tee /usr/local/bin/nautilus then chmod...
            Check ls /usr/local/bin

              pomon That worked!

              I uninstalled Nautilus, installed Nemo again and created that desktop entry you suggested, literally copied pasted it.

              It still doesnt work for Telegram and Whatsapp, but thats already some progress.

              Thank you! Could you explain briefly why did it work Im̀ completely unlettered in linux, so you could really help me get some insights for future issues.

                henriiquecampos Could you explain briefly why did it work

                The idea is for the system to load Nemo as the main manager and not look for another one, in this case Nautilus.

                henriiquecampos It still doesnt work for Telegram and Whatsapp,

                I don't really understand what's going on with instant messaging. I know there is Telegram for Linux, but I haven't heard of WhatsApp. What exactly happens when you want to download something from these programs. It's best to run them in a terminal.