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I've just upgraded my Ubuntu 22.10 to 23.04 and the upgrade went well but, just after the reboot, Gnome Shell didn't load any extension, even Ubuntu Dock. Using journalctl to see what could be happening only messages indicating that extensions are missing or are invalid is shown, indicating "state 99" as the error code.

To try to fix it I've reinstalled nvidia-drivers and upgraded to version 525. Also, I tried to use only Intel graphics card, tried to choose Ubuntu session on Xorg, Ubuntu session on Wayland and, finally, Ubuntu with Gnome Classic (Xorg), and using this session all extensions were loaded.

This error is related to this another one.

Edit: As indicated by Ross Dobson, removing user extensions and reboot fixes the problem. Then, all extensions must be reinstalled. Fortunately, all extensions' configuration is kept.

Finally, I'm not sure but thinking about the problem I guess that it came because I had system extensions overridden by user extensions, like Desktop Icons NG.

Hope Canonical fix this problem.

Diego
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3 Answers3

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Remove any existing extensions.

cd ~/.local/share/gnome-shell/
rm -rf extensions

Then log in again and it now should load the desktop successfully. I'm not sure why this situation occurred in the first place, but this fixed it on my machine.

Note that you will need to re-install any custom extensions again, from http://extensions.gnome.org.

Ross Dobson
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Removing "ding@rastersoft.com" from extensions folder solved the problem

Andrew Fomin
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I was able to get an extension working again by editing the metadata.json file in the "shell-version" section to include "44". Logout and back in and the extension was working. This was a simple extension so this may not work for others.

Wally
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