I haven't logged into the PBE for a couple weeks. Patch the client and now everytime I try to enter any type of game it crashes at the loading screen. Even after I attempted to repair it still crashed. Is this a common problem with the latest patch?
It might be that you didn't patch correctly and hence all the missing files. I haven't seen any other bug splat reports with the latest patch. If I were you I would also run a repair and that should fix the missing files.