I am having trouble playing mpg files. I use Windows Media 10 and have also tried to use Quicktime. The CPU usage goes to 100% when I'm using Windows Media 10 and it hangs when I use Quicktime. It will eventually play using Windows Media but my system CPU usage stays at 99% even after the video is done. The other weird thing is that sometimes I can play these clips and have no problems. I've seen Explorer.exe at 99% via Taskmanager when I have these problems but that is not always the case. Just clicking on the properties can sometimes send my CPU usage to 100%. I have no problems playing any other media files. Specs-OS is Windows XP-SP2. 512 Sdram and AMD Athlon 64 processor. Thanks.