Quote Originally Posted by m0rev View Post
Good for you Reboot didn't help me

ncapp.panic Failed to read password from prompt (nccommon.cpp:614)
It used to work couple days ago, so I wonder if some package I've installed recently broke that. Or IT changed something...

Does anybody has similar experience?
mv ~/.mozilla/firefox/profiles.ini ~/.mozilla/firefox/profiles.old
mv ~/.mozilla/firefox/<randomstring>.default/ ~/.mozilla/firefox/old_profile

It solved the problem