Good news! I managed to solve the problem by removing all compiz gconf configurations:
rm -R ~/.gconf/apps/compiz/ Now desktop effects is working perfectly. Maybe there where some bad gconf configurations at my system preventing compiz to work well. -- Desktop Effects makes window-borders disappear https://bugs.launchpad.net/bugs/103429 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