found solution, do not put the code below : Sudo update-manager -d
just open a console session using terminal and with out getting root, just type "update-manager -d" (without the speachmarks). Worked first time this way. Tim -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/197581 Title: update-manager crashed with RuntimeError in <module>() : RuntimeError: could not open display.It should display a warning when $DISPLAY is not set. -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
