active x control ie7 windows vista

I have problem downloading active x control with ie7 in my windows vista.
the problem is when i tried to request certificate from the certificate server in my company through IE the download active x control appeare and never dissapear and i can submit the form which i request certifecate through.
i decrease all secuirty issues in my IE and i stell have the same problem.
your fast response will be highly appreciated.

Regards
Mostafa Goha mostafa@noorgroup.net