XP Authentication
If you try to run VP-ASP on your system and get a pop-op requiring userid/password, then the authentication setup is wrong but easily fixed.
When you are attempting to browse a Web page, the following error is displayed:
You are not authorized to view this page You do not have permission to view this directory or page using the credentials you supplied.
HTTP 401.2 - Unauthorized: Logon failed due to server configuration Internet Information Services
Solution
The Solution is to start Internet Information Services, select the directory and allow anonymous access. Use:
Start/Control Panel/Performance and Maintenance/Administrative Tools/Internet Information Services.
Then click to you see webs structure

Right Click on the Directory in this case VPASP, select Properties

Click Edit
Check Anonymous Access

