>After running service pack 4, I checked the version numbers of VFP6t.dll, VFP6r.dll, VFP6renu.dll and all are higher than old ones
>after SP3. The VFP6run.exe is the same.
>
>Do these files need to be distributed to our customers running our EXE ?
>

Yes, and they should also be re-registered using REGSVR32 or the Win32 API mechanism outlined in Paul Tatavu's FAQ entry on programmatic registration of COM DLLs.