I can confirm problem persist on 20.04.01 after upgrade to 5.8.0-34-generic and 5.8.0-36 too.
** Attachment added: "5.8.0-34-generic bad build.txt" https://bugs.launchpad.net/ubuntu/+source/virtualbox/+bug/1899233/+attachment/5450875/+files/5.8.0-34-generic%20bad%20build.txt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1899233 Title: post login - no apps launched - virtualbox-dkms 6.1.10-dfsg-1~ubuntu1.20.04.1: virtualbox kernel module failed to build To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/virtualbox/+bug/1899233/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs