So I got Vegas Pro 15 just a week ago and when I try shortening a video some random parts of the video keep messing up? The colors are super weird and when I render it the video it doesn't turn out that well. I am wondering if anyone could help me?

Link: https://gyazo.com/18b49e80b13eadc12fc98893b64dc0c7

Hope you people could help me out. Thanks.