How do I reset the origin placement? The origin (or the small orange dot, if that's even the origin but I'm going to call it that) use to be placed always in the center of the selected shape, when I pressed the comma key, the view would always center to the current selected part(s).

Now I must have hit some key by accident and the origin is now always at the center of the model (where the three axis cross), I looked it up and found out that you could press CTRL+SHIFT+ALT+C for a menu that lets you move the origin, but that set the origin for the whole object, not for the faces seperatly like it used to be. I also tried resetting the preferences and uninstalling(!!) blender which for some reason didn't work!

Is there some shotcut to undo that? Or at least some option file I can get rid of unaffected by the uninstall?
I suspect you've selected another pivot mode: