I'm also having this problem (I'm on 18.04). It's exactly like Robin
Sheat described - usually the icons don't load on the first boot, and
then if you reboot they might load, but sometimes not. It's either all
the icons on or all off. Clearly it's some kind of a race condition...
--
You received
** Description changed:
+ EDIT: Recreated the issue and discovered the following happens when
+ Firefox is run as superuser then closed. When this happens Firefox
+ resets when opened again as a normal user. Hope this helps.
+
Running firefox -p from terminal returns this error when loading def
Public bug reported:
Running firefox -p from terminal returns this error when loading default
profile.
1456003683415 addons.xpi WARNBootstrap state is invalid
(missing add-ons:
/home/rentec/.mozilla/firefox/o3pm4rqi.default/extensions/firefox-
hot...@mozilla.org.xpi)
ProblemType: Bug