I cannot get 11.10 to install PERIOD.
It wouldn't install over 11.9, so I uninstalled 11.9, rebooted, ran Driver-sweeper, rebooted, reinstalled 11.10 - FAILED. Re-downloaded 11.10 and tried all this again...fail.
Reinstalled 11.9 right then and it went through the first time.
Sounds like an...