This driver can cause an issue during the install of High Sierra which can produce the above error and removing it will remove the error. If you got this error when installing macOS with an Intel iGPU or Nvidia GPU then it’s likely you have EmuVariableUefi-64.efi in your EFI partition.As we mentioned earlier, Apple has now released macOS High Sierra 10.13.1, an updated version of High Sierra that includes a number of bug fixes and. How to download macOS High Sierra 10.13.1.That will get you the pid of the logged in user # kill # reboot-If you think it's a keychain issue, ssh in, go to the /Users//Library/Keychains directory and move all items to a temp directory. If you think that a session is stuck and you just want to kill it, ssh in as the admin, then enter: # ps -Ajc _ grep loginwindows.macOS updates stuck on Checking '(null)' Help I'm trying to update macOS from High Sierra 10.13.6 and as soon as I accept the terms of the update a box comes up that says Checking '(null)'.I was able to connect on my Android Phone no problem as well as rescueassist. I uninstalled and resinstalled and all workd.