Though it may be Jockey doing the installation behind the scenes, any addition of a Cancel button would require changes to Ubiquity.
** Project changed: jockey => ubiquity (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/686420 Title: Unable to cancel when downloaded restricted drivers To manage notifications about this bug go to: https://bugs.launchpad.net/linuxmint/+bug/686420/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs