ASP pages are really designed to run interactively.
It sounds like what you are trying to do would be more easily facilitated with Windows Scripting Host, which would allow you to run VBScript or Javascript code like a batch file.
Then you could simply schedule a batch file with at (make sure the scheduler service is running) that contains the script you want to run. You could send notification via e-mail, printer, file or any other means you want to script.