>
>The code I am using is already using the lowest COM object reference. I also have to fix first the problem as to know why this is running extremely slow on this PC as oppose to others who tested it.

Using createObject or CreateObjectEX ? (might give problems on XP SP2...)
The speed difference should be about half of the COM call, but my guess would be in the range of the measurements mentioned by David. Still, if something is hampering the call process itself...

HTH

thomas