Oh, I'm sure it will if I try hard enough. Which I will do. I've got a super ultimate hyper codec pack that'll play everything for me. It just made me install that stupid thing when installing the rest of the stuff.
Then I had to look at that blue Q every time I started up my computer, as I furiously tried to right-click+Close.
The only good thing I could possibly say would be that it leverages the GPU better when playing HD video, which I actually have a lot of now.