No need to delete... It's still related to the update. If anyone hasn't started the update yet, don't forget to move the Community folder somewhere else before starting. I'm not sure it really helps, but it can't hurt.
Recommended fix for looping is to shut down the sim, open the Official\OneStore (or Steam) folder, find and delete anything that's not a folder.* After that, restart the sim and let it start the d/l process again - repeat as needed.
*The easiest way to get all of the compressed files is to switch to Detailed view and sort by Date Modified. This will put everything you need at the top of the pile.