Questionario!

Why does my Uncharted 2: Among Thieves keep showing an endless loop of the Phurba Dagger at the initial loading screen? I read up and it stated that it occurs when a corruption is abound. It calls for deleting all updates and saves and re-downloading everything (including the 1.09 patch and every bit of DLC). I can't keep doing that. Any help or reasons or tips or anything is appreciated!