To delete a cookie
In Internet Explorer, on the Tools menu, click Internet Options.
On the General tab, click Settings, and then click View files.
Select the cookie you want to delete, and then, on the File menu, click Delete.
Some Web sites store your member name and password or other personally identifiable information about you in a cookie; therefore, if you delete a cookie, you may need to re-enter this information the next time you visit the site.
To delete all of the cookies on your computer, click Delete Cookies on the General tab.