Codepregfxff Mw3 |link| -

Install the game on a different high-speed SSD or run a check disk scan ( chkdsk ) to isolate bad drive sectors.

If this is from a :

This is the most effective fix, as it forces the launcher to check all files against the server and re-download any missing or damaged files, including the code_pre_gfx.ff . codepregfxff mw3