I have the lastest version of ATV 3.0.2 and I try to install nitotv via Patchsitck, everything look fine and Nito Tv install , then y reset my ATv, I see the apple logo and after that it say Do you want to report the problem to apple. I choose no and i get a black screen but y can heard the sound of my frontrow like it's working but without video.

Sorry for my english i'm french canadian. If someone can help me that would be great.

Did you by any chance also install ATVFiles via SoftwareMenu ?
I think it installs an old version that doesnt work with 3.0.x
I've seen that cause a similar problem

try either removing the ATVFiles or manually installing the latest beta version

Thank you , problem solve