Go to your documents folder
Go to the elder scrolls online folder in the documents folder
Rename the "Live" folder to "Live.old"
The game will recreate the new "live" folder when you start the game.
I'm back to 2 second loading screens instead of 10 hour handing loading screens.
I got this information buried in another post. It'll be easier to see as a topic.
Hope it works for you!