Clearing your cookies is often the first thing you should do whenever you run into a problem. This tutorial will show you how to clear your cookies in Internet Explorer. The clearing process is similar for other browsers as well.
Step 1: Click on Tools and select Internet Options
Step 2: Click Delete
Step 3: Check the boxes you want to delete. You don't have to check everything but you must check Cookies. After that click delete and you are done.