Thanks for your bugreport. I changed this for now to include a better error reporting. It should probably try to repair broken sources.list automatically for edgy+1.
Cheers, Michael ** Changed in: update-manager (Ubuntu) Importance: Undecided => Medium Status: Unconfirmed => Fix Committed -- Main windows fails with "SystemError" if malformed line in sources.list https://launchpad.net/bugs/63019 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs