Video Glitches

[Kian5FA2]

Even after I render everything, my videos glitch every 30 seconds. I have tried with each version of the beta and get the same result every time. 

[Andy Edwards]

Please provide more details.

What are you running Mac or PC? What version?

If it's PC, what GPU are you running and are your drivers up to date?

What are your sequence settings? 

What video codec is your media?

What hard drives are you using? SSD's? Raid?

What version of Premiere are you running?

Are you running any 3rd party plugins?

If you provide more information, it would be helpful in solving the problem.