What is interresting is that when you disable Ubuntu Firefox Modifications, all becomes ok as well.
I have the three following errors in the error console Failed to load XPCOM component: /usr/lib/xulrunner-1.9.1.4/components/py_test_component.py Failed to load XPCOM component: /usr/lib/xulrunner-1.9.1.4/components/pyabout.py Error : labelGetUbuntu is null Source file: chrome://ubufox/content/overlay.js Line: 74 So it must come from Ubuntu Firefox Modifications. -- Tab Mix Plus plugin eats Web Developer toolbar buttons https://bugs.launchpad.net/bugs/369521 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