Michael,

See Message# 666329

>>Yes, it's how it works on my PC.
>>Try to run VFP once with /Regserver command-line switch.
>
>No luck. I'll check it out on other PCs.
>
>>
>>>>Try to run VFPCLEAN utility.

DO HOME()+"VFPCLEAN.APP"

You can find more info about it in the readme.htm file on VFP installation CD.
>>>
>>>No, it didn't help. But am I right that for VFP7 I should expect reusing the same IDE window after double click or it could be just my impression for VFP6.
>>>