> I just did an experiment, by trying Opera on her account( I
>sometimes use it on mine), and it worked!! So....how the heck
>do I get IE going again for her?
>

Because the guest account is limited to do a lot of things, not for other reason that it is a problem to give that account anything more than basics Rights, (an active Guest account is a security risk, a Guest account with more than the basic rigths is a time bomb)