Hi CanNear,
its not a virus, it is a security feature.
You could download the Programm "Click Yes"
look here
http://support.microsoft.com/default.aspx?scid=kb;EN-US;872839
The program click the button for you!

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Ich habe nichts gemacht, gestern gings noch
> We are currently utilizing Outlook 2002 forms which are enabled through one
> of our Public Folder folders. We continually receive the following message
[quoted text clipped - 9 lines]
> Is there a registry entry or something that we can modify to disable this
> very annoying message. Our user community would be most appreciative....