Fix ‘Unable to Update ICE Authority’ Error During Boot boot failure I often get an error saying unable to update ICE authority. Is there a way out of this? Best Answer It's possible that you were using a graphical application running as root that has updated your ICE Authority file with root permissions. Try the following in a terminal session: sudo chown $USER:$USER .ICEauthority sudo chmod 0644 .ICEauthority Related SolutionsUbuntu – Machine check error while booting from USB More a workaround than a solution, but since I couldn't solve the problem with the USB stick, I was finally able to boot from a CD, that's how I installed Ubuntu on my Laptop. Related QuestionUbuntu – Machine check error while booting from USB
Best Answer
It's possible that you were using a graphical application running as root that has updated your ICE Authority file with root permissions.
Try the following in a terminal session: