This problem seems to be related to bug #766519. From the dmesg.txt log it seems you have an Intel I5-2400 CPU with AVX extensions. There is a fix for this problem in clamav 0.97.2, which is currently in the clamav PPA. Please enable this PPA and check if the problems gets resolved. 0.97.2 will arrive to Lucid in a short while.
You can read up on how to activate a PPA here: https://help.launchpad.net/Packaging/PPA In a terminal you need to run the following command: sudo add-apt-repository ppa:ubuntu-clamav/ppa And do an 'apt-get update' and 'apt-get upgrade' after that. Please update this bugreport with your findings. Thanks. -- You received this bug notification because you are a member of Ubuntu Server Team, which is subscribed to clamav in Ubuntu. https://bugs.launchpad.net/bugs/793314 Title: package clamav-daemon 0.96.5 dfsg-1ubuntu1.10.04.2 failed to install/upgrade: subprocess new pre-removal script returned error exit status 1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/clamav/+bug/793314/+subscriptions -- Ubuntu-server-bugs mailing list Ubuntu-server-bugs@lists.ubuntu.com Modify settings or unsubscribe at: https://lists.ubuntu.com/mailman/listinfo/ubuntu-server-bugs