Sorry, i don't know if it i can post it here, but anyway... In my case it had nothing to do with compiz. I had the same problem twice and i solved both on the same way: "Reinstalling GDM". (in one case i had to uninstall the LightDM and then reinstall GDM)
Thanx. -- You received this bug notification because you are a member of compiz packagers, which is subscribed to compiz in Ubuntu. https://bugs.launchpad.net/bugs/570885 Title: Login Screen Settings greyed out and unlock button non-responsive To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/compiz/+bug/570885/+subscriptions _______________________________________________ Mailing list: https://launchpad.net/~compiz Post to : [email protected] Unsubscribe : https://launchpad.net/~compiz More help : https://help.launchpad.net/ListHelp

