Turn off Desktop Effects in Preferences / Appearance and see if this error still happens to you.
-- [Hardy] GUI disappears while working https://bugs.launchpad.net/bugs/163985 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs