Gateway GT5242E PC desktop computer

We bought the Gateway GT5242E PC computer about 5 years ago. Then the one we were running on was breaking down, it had a lot of cheap parts in it too. This was like a dream when we first used it. It's slowing down now, but that's how technology works...

We bought this several years ago for a home PC. It came with Microsoft Windows XP Media Center Edition, and 1 GB of RAM. We have since expanded it to 2.5 GB of RAM. The hard ware on the PC has always worked well, with little or no problems. It has...