[Help] Ubercm's Problem

Ok Guy's so i have a little problem when i go to /me or anything on my retro it doesent find it you have to put .php manually in why is this doing it help anyone please :L

Make it web.config if the page loads you dont need it to have .php

what do you mean ?

You've to add a rule in your ''web.config'' or ''.htaccess''.