@WV03 Depending on the hardware specifications of your computer a complete, fresh new installation of Windows and the newest hardware drivers could do wonders for the stability.
Just to add to the previous 2 comments, If you are using windows, get yourself a USB drive that is ReadyBoost compatible 64gb should be just fine even less will also do. Be sure to research Microsoft Windows ReadyBoost to learn how to use it this ought to help with your machine from crashing as often as it does.