comp specs are as follows
2.4 gz
512mb ram
geforce 440mx 128mb
windows xp

think that should be enough?
what os do you guys use? Im thinking of changing my os if that will keep me from crashing.

I've tried memtest.org's memory checker and it said nothing's wrong with my memory. I don't have any viruses too. I've tried norton, pc cillin and the rest.