What does this mean?

[northernbob]

Ok my computer likes to shut it self off at random. It only happens every great once in a while. Your surfin the net and poof its shuts down. I have a new 400w power supply. See other thread. My warranty is up in a month. Soany help is greatly wanted.

[krosenqu]

Um, XP I assume? Your virtual memory might be low. Um... Here is a tweaking guide for XP that I have that tells you how to change it. Not the best guide in the world but its got everything.
http://www.tweakguides.com/TGTC.html

[northernbob]

I down loaded the free version, I will check it out and get back. Thanks!