The computer this problem occurred on became increasingly unstable. After investigation I discovered a failing RAM DIMM stick (thanks to the "memtest" program that's available at the boot menu of all Ubuntu Live CDs).
I believe the problem reported in this bug was associated with this failing hardware. I have not experienced this problem since hardware repair. My recommendation is for this bug to be set aside as INVALID. Regards, GF. -- update-manager fails: bad marshal data https://bugs.launchpad.net/bugs/162434 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