running update again (apt-get update && apt-get dist-upgrade) through terminal seems to have fixed it, or, there were no errors I noticed in the output, anyway.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1761851 Title: virtualbox-dkms 5.0.40-dfsg-0ubuntu1.16.04.2: virtualbox kernel module failed to build [error: implicit declaration of function ‘init_timer_pinned’] To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/virtualbox/+bug/1761851/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs