As I remember, for MS InterDev 6.0 the order of installation is very important. You have to install PWS first, and than install InterDev 6.0. This described in ReadMe files for InterDev.
Hope this helps.

>Anyone out here have PWS running on an NT workstation for testing ASP? I'm trying to set up a "quickie" web server to test some ASP files I've written, but I'm not having much luck.
>
>I have MS InterDev 6.0 installed. I have set up a couple of pages to test, but everytime I try and run them InterDev pops up in development mode with no "run" (execute) buttons available.
>
> Is there any PWS "support" available some where that anyone might know about? I've search the MS site without much luck.
>
>I am running service pack 4, and durring installation it took me PWS has been tested on service Pack 4, but the PWS main screen comes up. I just can get any ASP to run.
>
>Thanks in advance...
>
>CMH