This tip is a real life saver. At least it was for me.
I got a very strange problem, one day i tried to start my computer as normal and got the message
“The User Profile Service failed the logon. User profile cannot be loaded.”
What? I had not changed a thing. Luckily i had another computer around and using this I googled for solutions. After a few hours of scratvhnig my head and cursing at the broken computer I found a working solution at the following site:
Happy computer surgery.