I have finally found a temporary workaround here: https://bugs.launchpad.net/ubuntu/+source/gksu/+bug/76932
-- Compiz: gksu windows linger https://bugs.launchpad.net/bugs/152264 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