I don't know it's been ages since I worked with that code. Make sure the DLL is compiled with the multi-threaded runtimes.

+++ Rick ---


>Rick,
>
>You assistance is much appreciated.
>
>>You can just add a version resource to the project and that will take care of that.<
>
>I found a copy of version.rc somewhere and did as you suggested. I eventually got the dll to build.
>
>I replaced our working version of the foxisapi.dll with the new build and gave it a trial run. However, it does not work!! The following error message is returned by IE 6:
>--------
>Page cannot be displayed
>.
>.
>.
>HTTP 500 - Internal server error
>Internet Explorer
>--------
>
>I also note that the newly built dll (64K) is somewhat smaller than the version supplied by MS (76K).
>
>Do you have any other ideas on how to proceed from here?
>
>Martyn