>>>
>>>It runs on the new computer from mapped drives on the network.
>>
>>It'll run if you have all VFP runtime files in that folder and don't use any ActiveX controls that require installation.
>
>The drive that the app starts from has files like vfp8r.dll,VFP8RENU.DLL. Are these what enables the run?

See http://fox.wikis.com/wc.dll?Wiki~VFP8RuntimeFiles for complete list