reopen 800034 thanks Sorry, this bug is still not fixed. I still get the same error message when trying to apt-get remove virtualbox-ext-pack.
It's strange that the error message is VBoxExtPackHelperApp: error: Unknown option: '--forced' but the vboxmanage option in the prerm script is '--force' (without 'd' at the end). Could it be that vboxmanage itself is broken here?