did you add any new repositories? and also try changing the servers go to system -> Admin -> Software Sources -> in " Download from" select other and then click on select best server
-- Untrusted packages not installable https://bugs.launchpad.net/bugs/464101 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
