(adsbygoogle = window.adsbygoogle || []).push({}); evry time i render a clip i get black bars at the side even if i uncheck maintain aspect ratio but in sony vegas its full screen and same when its rendered but when i upload to youtube it has black bars at the side look!

rendering as 1280x720?

dude thank you didnt even think about this

You need to set the project settings as 1280 x 720, and render in 1280 x 720. No black bars and such.