Gnome apps unusable after update

I recently updated Ubuntu to 24.10. All my Gnome apps (gnome-control-center, gnome-calculator, etc) load, but do not display anything. The mouse hovering over the screen shows fragments of text, but nothing readable.

Other apps such as Firefox work fine. I have tried purging and installing numerous gnome apps and libraries. Any suggestions? I’ve attached an image of what things look like.

Are there no error messages in your terminal when running the application from a terminal?

I guess the next step here is to try figuring out which package update was to blame.

I see lots of warnings, but no errors. I’ve posted the output to the links below. One with sudo access and the other without.

gnome-control-center

sudo gnome-control-center

You’re running with a GTK3 theme inside your GTK4 gtk.css file. That’s why everything looks broken. Remove the gtk.css file.

Never, ever run GTK applications under sudo.

I never do. Just seeing if that provided more information.

How do I remove the gtk.css file?

Remove the file ~/.config/gtk-4.0/gtk.css, if there is one. And also, ensure that the environment variable GTK_THEME is not set.

diegoaguilera@ubuntuMain:~/.config/gtk-4.0$ ls -la
total 8
drwx------  2 diegoaguilera diegoaguilera 4096 May 16  2023 .
drwx------ 32 diegoaguilera diegoaguilera 4096 Jan 13 16:25 ..
diegoaguilera@ubuntuMain:~/.config/gtk-4.0$ echo GTK_THEME
GTK_THEME

It doesn’t seem like the environmental variable is set. gtk.css doesn’t exist.

Then did you set a theme using things like GNOME Tweaks?

If you did not set a custom theme anywhere, please open an issue against your Linux distribution, explaining what you upgraded from, what you upgraded to, and the exact set of operations you performed.

No. I don’t even know where to set GNOME Tweaks.

Easier said than done. I really just Ubuntu do the updates. I don’t even remember what version it was on. Probably went from 22.04.5 to 24.10. Looking at the release, I didn’t realize 24.10 was an “Intermin” and not “LTS”. Kicking myself even more for doing the update.

Just sucks cause everything else is working fine. I was really hoping I just had to reinstall some packages. I’ll probably just wipe it and reinstall. I appreciate you trying.

Hi,

you forgot the $ of the variable when checking the theme:

echo $GTK_THEME

Before re-installing everything, you may want to try and create a new user, with a clean session, to see if it’s just a configuration issue.

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