install synaptic and search for virtualbox. there should be some virtualbox package that hasn't been cleaned.
BTW how did you install the official virtualbox? by deb file or .run? in the latter case I guess you need to clean it manually (this might include remove vboxdrv from /etc/* and lib/* -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1459891 Title: package virtualbox 4.3.26-dfsg-2ubuntu2 failed to install/upgrade: subprocess installed post-installation script returned error exit status 1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/virtualbox/+bug/1459891/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs