To delete Firefox 3.5 Browser Cookies

1. Go to "Tools -> Clear Recent History" (or press Ctrl+Shift+Del)

2. In the Clear Recent History dialog, select Everything for the time range to clear. Checkmark Cookies and click button Clear Now

To delete Internet Explorer 8 Browser Cookies

1. Go to menu "Tools -> Internet Options".

2. In the "Internet Options" dialog, click the "Delete..." button.

3. In the "Delete Browsing History" dialog, make sure "Cookies" is checkmarked and click the "Delete" button.

4. Once the files have been deleted, you can dismiss the "Internet Options" dialog by clicking the "Okay" button.