To fix this error, simply follow the below steps: However, the problem is Sony Vegs renders only the loop region by default, which often leads to Sony Vegas not rendering full video. After marking a certain section by adding I/O points on the timeline and enabling the Loop Playback feature, you can play back the marked section repeatedly. The Loop Playback feature itself is great for improving editing efficiency. The Sony Vegas not rendering the whole video error can happen for several reasons, but in most cases, it's caused by you've selected Render Loop Region Only under the Render As window. But don't worry, we've collected some useful solutions to fix Sony Vegas not rendering full video. Many users have reported on the official Sony Vegas forums and Sony Vegas Reddit community that they frequently encounter issues like Sony Vegas Pro 15 not rendering whole video and Sony Vegas won't render. However, every program has its problems, so Sony Vegas is no exception. Sony Vegas (Vegas Pro) is a fabulous video editing program that offers a vast number of creative features such as unlimited timeline tracks, scene detection, multi-region motion tracking and Automate audio mixes. Summary: Looking into how to fix Sony Vegas not rendering full video? This post explains why Sony Vegas only renders part of a video and shares 6 efficient yet easy solutions to fix the error.