Your post in Computer Help tells you did this yourself. Necessary background indeed. I think Bill's advice to do a repair is very appropiate.
For a thorough treatment of possible causes and repairs see http://reviews.cnet.com/5208-6142-0.html?forumID=5&threadID=24816&messageID=278127&tag=srch
Im using Windows 98 and IE 5.5. Whenever i try to open something in a new window while on the internet it doesnt work. All i get is a white screen. Help!