If you still crash after these changes. Then try this, it solved the problem for me on my 3,5 year old comp.
Change the size of MAX virtual memory to 2 or 2,5 times of the size of your RAM.
So if you have 4GB RAM change the MAX SIZE to 8192MB.
Check here how to do it:
http://teamtutorials.com/windows-tut...page-file-size