Well, if it's happening everywhere, then it's probably a problem with the browser or maybe a trojan.
http://www.createblog.com/forums/index.php?showtopic=86022Check out this thread and see what it does for you. Not guaranteeing a fix, but it will be a step in the right direction.
Also, if the thread doesn't answer your question directly, feel free to post your problem there and perhaps some of the more knowledgable members might be able to help you out.