The same happened to me today while trying to install Oneiric Beta 1 (clean installation). I've never experienced this problem before during the process (that includes Ubuntu 10.04, 10.10 and Oneiric Alpha 2 and 3 - all clean installations).
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/743359 Title: Installer: LockFailedException: Failed to lock /target/var/cache/apt/archives/lock To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubiquity/+bug/743359/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs