The trick above I got from ubuntuforums seems to fix the problem when it appears. But this problem keeps coming back quite often. So the trick above threats the symptoms, but doesn't cure the disease.
Now there are three other persons that have reported this bug on ubuntuforums. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/770605 Title: xubuntu 11.04 windows not created -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs