Problems browsing through Internet Explorer could be the result of many different factors. You might have a very out of date version, or it could be a problem with Internet Explorer’s settings, a spyware issue, an add-on conflict, or it might even just be an issue with your connection itself. Below is a link to an article from Microsoft outlining potential problems and issues and offers help on resolving them. This article does not cover all possible scenarios, but covers some of the most common minor problems.
Note: Internet Explorer 8 is currently considered to be the latest stable version of Internet Explorer. If you already have Internet Explorer 8 you likely do not need to upgrade at this time.