>>>I need to un-register MSCOMM activex control for testing.
>>>
>>>However, after running vfp form which contains MSCOMM control, VFP automatically registers it again.
>>>
>>>How to prevent such automatic registration ?
>>
>>Just a SWAG. After unregistering control try to rename OCX.
>
>Sergey,
>
>thank you for this solution. I havent thought this is so simple.
>I'm sorry I posted this message twice.

No problem here :)