Could you try to obtain a backtrace http://wiki.ubuntu.com/DebuggingProgramCrash while it's hanging and attach the file to the bug report?
-- Cannot change options in visual effects tab of Appearance control panel https://bugs.launchpad.net/bugs/209125 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs