Thank you, Sergey.

I did try to install from a local drive, including unblocking via the property tab, since it was downloaded to a network drive. Thought that was going to do it, but the problem remains.

What else could it be?

Alex

>Did you try to run it from a local drive?
>
>>I downloaded VFP9_sp2.exe and got the following problem when installing:
>>
>>This patch package could not me opened. Verify that the patch package exists and that you can access it, or contact the application vendor to verify that this is a valid Windows Installer patch package.
>>
>>Trieds downloading again, but same problem. I have administrator rights.
>>