I have a possible fix for this:

* check all C++ libs, dl installer and run repair. or just update. (C++ 2010, C++ 2008 + SP1, x32 and x64)
* install the latest directx -> use webinstaller. (found this tip on some forum, seems to fix my issue so far)
* rienstall game client, if needed.

So far, issue free, after loads of crashes. Hope this helps.