None of the users are allowed to edit views. The behaviour is inconsistent. I have it working now for most. Allowing users to edit gridview then saving and resaving over the same files then removing their ability to edit, etc... until it works.

I take it back.. it's working on some of the users, but now my user has reverted to portrait. I'm going in circles.

Yes.. I'm certain that I'm using the same data file from each user.

I'm also getting this error for all users when closing the program, although it doesn't seem to do any harm: