>Terence
>
>so if the DLL is in the folder the setup wizard will automatically send it to the windows system folder on the target machine and register it correctly?
>
>I didn't realise that.
>
>What about msderun.dll which would need to go in common files ?
>
>I have now set this up using the visual installer.
>
>Nick Mason

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Oh, if you use other installer, I really donno how to do.

In VFP Setup Wizard, Step 6
You will see a list for your installation files,
VFP allow you to copy 3 place on choice:

AppDir
WinDir
WinSysDir

There is no option for you to put it at C:\Windows\Common Files\xxx

But you can try it out to see if the DLL put at System Dir will work property or not.
If fail, you need to add coding to copy the dll from system directory to Common Files

IF !File([C:\Windows\Common files\xxx\msderun.dll])
   COPY FILE C:\Windows\System\msderun.dll TO C:\Windows\Common Files\xxx
ENDIF

Anyway, I think 3rd party installer may give you easy way to do in this case! :)