I am running XP Pro. Everything works great most of the time. However, about 20% of the time a weird problem happens. I will click on a desktop icon and nothing happens. Well, the hour glass comes up but thats it, nothing else happens. I can click on several icons and the exact thing happens each time (nothing). Control-alt-del will not work either. After letting the computer idle for about 5 minutes I will click on anything and then every single icon that I clicked on earlier will all pop up at once. Any idea on what is causing this odd problem and how to fix it? All help appreciated.