Now he asks (about GUID)

[Odd_Modem]

I have been using the LabVIEW Application Builder GUID generator to make GUIDs for all sorts of stuff, not just installations. Is that usage really cricket?

[mikeporter]

Right off hand I don't see any issues. Do you have specific concerns?

Mike...

[Khalid]

That should work.  But if you trust Microsoft more , you can download this utility for generating GUIDs: 

http://www.microsoft.com/downloads/details.aspx?FamilyID=94551f58-484f-4a8c-bb39-adb270833afc&displa...

If the above link doesn't work, search MSDN for "guidgen.exe download"

Regards,

-Khalid