Crash performace issues

Summary:
I have been having performance issues the game is slow unresponsive then so I reload and its better but after a wile it slows down again then it just crashed
then I open the game again and it crashes before I can even get to the menu.
Steps to reproduce:

Expected Results:

Actual Results:

Notes:

Attachments:
crash.dmp (195.8 KB)
crash.zip (33.0 KB)
more crashes
crash.dmp (261.5 KB)
crash.zip (58.3 KB)

Version Number and Mods in use:

System Information: