Uber CMS - Serious Problem !!

[xDisney]

Hello DevBests,I hope that some of you can help me out with this serious Problem that i have with UberCMS by the way i Use IIS Not Xampp.So basicly the Problems is: "If the link doesn't end with .php it won't work,This is a picture that can show you my problem:

Thank you for your time,Guys !!