Now I know what's going on. As I said, I am using the launcher in "System -> Administration", but this launcher is created by computer- janitor-gtk (not computer-janitor) and contains "gksudo" in the command.
Executing "computer-janitor" in the terminal works as you said: No second task respectively a second task for some milli seconds. -- computer-janitor opens two tasks when starting (should use policykit instead of gksu) https://bugs.launchpad.net/bugs/350286 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
