Could you try opening a terminal and running: export LIBOVERLAY_SCROLLBAR=0 bzr explorer
and see if the problem still continues? I think this is a duplicate of bug #1005677. There is a problem with the new overlay scrollbars in Unity when running Qt apps. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1001711 Title: bzr-explorer makes the system unusable after clicking the customization button To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/bzr-explorer/+bug/1001711/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs