Execute Access Forbidden

I get this error when my browser requests for an asp page. It works fine when I request a html page.
The error message returned is as follows:

HTTP 403.1 Forbidden: Execute Access Forbidden
Internet Information Services

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Technical Information (for support personnel)

Background:
You have attempted to execute a CGI, ISAPI, or other executable program from a directory that does not allow programs to be executed.

Can somebody help me out of this.