If you have your OS CD, please try the following;
Go to Start | Run and type in sfc /scannow and hit the Ok button. Insert your CD if/when requested.
Is there anything in particular that causes the pc to freeze?
I don't know what an OS CD is. If it came with the computer I didn't get any CD with it. I am not doing anything different to get to pages. It will just freeze for no good reason at all, several times a day.