Using Bridge, I No Longer Can Open a File with PhotoShop!

I am using Windows 10 on a desktop. I was messing around with default settings and somehow I clicked on something that is now preventing me from opening an Adobe Photoshop file from Bridge. [The "Open With" option under FILE is grayed-out, so I cannot even choose it.

My default "Photo Viewer" is "Photos" - and I cannot change it to Adobe PhotoShop!