I found another bug report suggesting this is something to do with xulrunner, and suggesting that I check in /etc/gre.d for old config files.
de...@serenity ~ $ ls -lh /etc/gre.d total 16K -rwxr-xr-x 1 root root 78 2009-12-16 01:41 1.9.0.16.system.conf -rw-r--r-- 1 root root 76 2009-12-16 00:15 1.9.1.6.system.conf -rw-r--r-- 1 root root 142 2008-08-25 13:19 libxul0d.conf -rw-r--r-- 1 root root 142 2008-08-25 13:14 xulrunner.conf de...@serenity ~ $ xulrunner --version Mozilla XULRunner 1.9.0.16 - 2009121601 de...@serenity ~ $ So maybe it should be using xulrunner 1.9.1 but isn't for some reason? I'm way out of my depth here :) Moving either config file aside didn't help. -- firefox gives "Couldn't load XPCOM." and does not start https://bugs.launchpad.net/bugs/436190 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs