Thanks Fabio, after reboot I have no more problems with this issue. I did it, and currently I'm installing updates.
Maciek Stankiewicz 2012/12/17 Fabio Marconi <marconifa...@ubuntu-it.org> > try running > sudo apt-get clean > sudo apt-get update > update-manager > --- > Ubuntu Bug Squad volunteer triager > http://wiki.ubuntu.com/BugSquad > > -- > You received this bug notification because you are subscribed to the bug > report. > https://bugs.launchpad.net/bugs/1091141 > > Title: > Gnome Classic frozen: red exclamation applet clicked at the moment > when finished cleaning bad repositories > > Status in Ubuntu: > New > > Bug description: > I got red exclamation mark in my Ubuntu 12.04.1 LTS with Gnome Classic > (@Dell Vostro 3750). The problem was with some not active > repositories. I disabled them and closed Application Manager. The > exclamation icon was still there, so I clicked it again (to see where > is still the problem), the menu slided down, but then the icon > disapeared (the applet realized probably, there is no problem > anymore), all the text in the menu vanished, but the gray tray did > not. Gnome stopped responding, the mouse cursor moved, but no icon was > clickable. I couldn't switch to console as well. > > To manage notifications about this bug go to: > https://bugs.launchpad.net/ubuntu/+bug/1091141/+subscriptions > -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1091141 Title: Gnome Classic frozen: red exclamation applet clicked at the moment when finished cleaning bad repositories To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/1091141/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs