Firefox was working fine on Xubuntu 22.04. The OS upgrade completely failed and I am now rebuilding a new Xubuntu 24.04.1 system. I uninstalled the snap package and installed the latest version of Firefox from the *mozillateam ppa* (131.0.2+build1-0ubuntu0.24.04.1~mt1). Any attempt to start /usr/bin/firefox results in the pop-up message:
"Your Firefox profile cannot be loaded. It may be missing or inaccessible." This is not true. The same profiles exist in ~/.mozilla/firefox and even attempting to specify a specific profile with -P fails. This problem seems commonly reported on other versions of Linux but not Ubuntu. I tried removing the entire ~/.mozilla directory but that did nothing. I tried starting in safe mode, but same results. However, there are also other start-up messages: 17-> /usr/bin/firefox > [Parent 29355, Main Thread] WARNING: Failed to parse > /u/jeff/.config/gtk-3.0/settings.ini: Permission denied: 'glib warning', > file > /build/firefox-E8vObn/firefox-131.0.2+build1/toolkit/xre/nsSigHandlers.cpp:187 > > (firefox:29355): Gtk-WARNING **: 09:37:42.425: Failed to parse > /u/jeff/.config/gtk-3.0/settings.ini: Permission denied > [Parent 29355, Main Thread] WARNING: Theme parsing error: gtk.css:1:0: > Failed to import: Error opening file /u/jeff/.config/gtk-3.0/gtk.css: > Permission denied: 'glib warning', file > /build/firefox-E8vObn/firefox-131.0.2+build1/toolkit/xre/nsSigHandlers.cpp:187 > > (firefox:29355): Gtk-WARNING **: 09:37:42.426: Theme parsing error: > gtk.css:1:0: Failed to import: Error opening file > /u/jeff/.config/gtk-3.0/gtk.css: Permission denied > [Parent 29355, Unnamed thread 74eea8386ca0] WARNING: Failed to get cache > content /u/jeff/.cache/gtk-3.0/compose/8bedc2de.cache: Failed to open file > “/u/jeff/.cache/gtk-3.0/compose/8bedc2de.cache”: Permission denied: 'glib > warning', file > /build/firefox-E8vObn/firefox-131.0.2+build1/toolkit/xre/nsSigHandlers.cpp:187 > > (firefox:29355): Gtk-WARNING **: 09:37:42.732: Failed to get cache content > /u/jeff/.cache/gtk-3.0/compose/8bedc2de.cache: Failed to open file > “/u/jeff/.cache/gtk-3.0/compose/8bedc2de.cache”: Permission denied > [Parent 29355, Unnamed thread 74eea8386ca0] WARNING: Failed to open file > “/u/jeff/.XCompose”: Permission denied: 'glib warning', file > /build/firefox-E8vObn/firefox-131.0.2+build1/toolkit/xre/nsSigHandlers.cpp:187 > firefox:29355): Gtk-WARNING **: 09:37:42.732: Failed to open file > “/u/jeff/.XCompose”: Permission denied None of this makes sense as all these files exist and are readable. This may be an underlying gtk problem. Has anyone else run across this and any suggestions as to what needs to be done. Thanks.
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