>>>>>
>>>>>It's hard to make other suggestions without seeing what the actual parameters are. Could you post them?
>>>>
>>>> hKey = 0
>>>> retval = RegOpenKey(HKEY_CLASSES_ROOT, "Minitab.mpj\shell\open\command", @hKey)
>>>> valuename = Space(255)
>>>> valuelen = 255
>>>> STORE 0 TO lpdwReserved,dataType, xindex
>>>> Store Space(255) to indata
>>>> datalen = Len(indata)
>>>
>>>Is the value returned by RegOpenKey equal to zero (ERROR_SUCCESS)? If not, the key may not exist.
>>
>>Sorry hit reply before i oculd finish my changes but
>>
>>Value returned is 0 and hkey changes to different numbers per run. It does find the key
>>
>>HKEY_CLASSES_ROOT = -2147483648
>
>OH yeah, AND this program DOES work in win 95,98!!!!!!!

Sounds like a problem with registry access caused by WinNT/2K security settings. I generally use the registry class in the FFC. I'm about to leave and won't have access to Win2K again until Monday. If no one else checks for you, I will then.