Looks like the only way to prevent the message is to hack the registry
http://support.microsoft.com/kb/827742
FWIW, running the Adobe control also appears to run Acrobat's updater and
goes on line. I've got a vaguely recall reading of other ways display a pdf
without using that control, but I haven't looked into it.
Regards,
Peter T
"Webtechie" <(E-Mail Removed)> wrote in message
news:03D0F80C-2F7A-4F28-AC6D-(E-Mail Removed)...
> Hello,
>
> I am using Excel 2007 on a laptop with Vista Ultimate.
>
> I create a userform that allows the users to see pdf documents. I found
> an
> example on the internet that says you put the pdf browser control on a
> userform. Just went to tools references and checked the pdf browser
> control.
> I think went to the toolbox and added it as an additional control. I then
> put it on the userform. It works great. Now my users can see pdf
> documents
> via a userform.
>
> But when the spreadsheet is opened, I get this error message:
>
> This application is about to initialize ActiveX controls that might be
> unsafe. If you trust the source of this file, select OK and the controls
> will be initialized using your current workspace settings.
>
> Press OK and you go into the app. But that happens each time I open the
> spreadsheet. How do you initialize a control so that this doesn't come up
> each time you open the spreadsheet?
>
> Thanks,
>
> Tony
>
>
>
>