That means that the module rebuild process didn't actually follow your kernel update, and it shows that the module is not compatible with your current kernel.
Can you try reinstalling the package to see if it works better? Simply sudo apt-get install --reinstall rtl8812au-dkms. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1541743 Title: '8812au': Exec format error To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/rtl8812au/+bug/1541743/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
