Thanks for the output. Update-manager can't get the lock because there is apt-get running in the background. This is the daily job which updates the package cache.
2912 ? Ss 0:00 anacron -s 3251 ? S 0:00 \_ /bin/sh -c nice run-parts --report /etc/cron.daily 3252 ? SN 0:00 \_ run-parts --report /etc/cron.daily 3258 ? SN 0:00 \_ /bin/sh /etc/cron.daily/apt 3904 ? SN 0:00 \_ apt-get -qq -y -d dist-upgrade 3906 ? RN 0:03 \_ /usr/lib/apt/methods/http -- E: Could not get lock /var/cache/apt/archives/lock - open (11 Resource temporarily unavailable) E: Unable to lock the download directory https://bugs.launchpad.net/bugs/427029 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