Originally posted by xcalxx:

OK>>>I think i know whats wrong...I has downloaded one MOD..it was one to make your inventory more organized and easier...I do not remember the name of it. DO i need to delete the game and refresh. And if so, will i lose my save game if still there. I hate to loose it after 100 hours of play

Save game is safe from a clean install. Being in appdata it is left alone.
Making a backup is never a bad idea