First off I would not recommend internet explorer. Firefox 3.6 is much more user friendly and safer. 2nd make sure javaScript is enabled goto the menu bar and select tools then options and then contents and make sure JavaScript is enabled. (some vids can not be viewed without it i.e youtube) 3rd make sure you have Adobe Flash Player or something like it downloaded onto your browser. That should be it. So unless you have a very slow connection you should be ok.