Please go to the Intermapper Server and stop the InterMapper service, rename your Web Pages folder and restart the InterMapper service.
You can rename it to anything you like. Once it has a different name and the service has been restarted it will create a new folder called “Web Pages” and that should get the web page to look normal again.
Keep in mind that ProgramData on a Windows server may be a hidden file. The Intermapper Settings folder can be located here per OS.