>I had a closer look:
>
>All users have a VFP500.DLL of size 3,223,824.
>I have a VFP500.DLL of size 3,224,336.
>
>The weird thing is that I have just created the Setup recently.
>
>Do you know what DLL is the newer one?

I have SP3 on mine and it matches your 3,224,336 version. It could mean that the last time you created a setup, you didn't delete all the old files (like the entire DISTRIB directory), so you essentially just reinstalled the same old stuff...could this be the case?