This one happens to me quite sometimes. Sometimes giving a sudo killall apt apt-get aptitude does the trick sometimes it doesn't.
lsof sometimes shows sometimes doesn't. Subscribing to the bug just in case I can give more output. -- Update Manager stops updating from repositories. https://bugs.launchpad.net/bugs/111933 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