COD MW2 - Crashing

The proper place to provide feedback on MW2 is here: https://www.reddit.com/r/ModernWarfareII/ as indicated on this Activision’s web page:

This forum here is for technical support on the Battle.Net Desktop App; there is a post by Blizzard, pinned at the top of this forum, which provides information on the scope of support of Blizzard for Activision games… here: