Have you enough disk space free ? For <img src="/ubbthreads/images/graemlins/div.gif" alt="" /> temporary files and for the win swapfile ?
Please check this. And also, try to defragment a little, I guess.
In general, sys specs are handy when trying to figue out what the actual problem is. Thanks.
By the way : Welcome. <img src="/ubbthreads/images/graemlins/smile.gif" alt="" />
Alrik.