For the "official" answer go to http://support.microsoft.com/support/kb/articles/Q190/8/69.asp "INFO: Visual FoxPro 6.0 Required Run-Time Files". Note that this was written for the base release of VFP 6.0. You can check for the current versions of these files on a machine with SP4 (or SP5) installed and see what may need to be updated.