Images won't open/can't see open images in Photoshop CC

I don't understand what's wrong with my Photoshop CC application. I have tried opening .NEF files, .jpg files, and a photo uploaded from my cell phone, and each time I can see the title of the photo appear as if it's open, but the window remains blacked out. But the thing is, it was working just fine yesterday. I feel like I just recently launched the latest application update, like within the last couple of weeks, and I'm not getting any error messages popping up, so I don't understand what's going on, and it's very frustrating when I'm trying to use the application to edit a photo I'm posting online for business purposes.