Screen Glitch

[Obito24459281s2cv]

I am Using After Effects 2020

It glitches in the white part it actually plays the video and I am unable to edit properly. So are there some fixes or its just my laptop?

You need to ask program questions in the forum for the program you are using
To ask in the forum for your program please start at https://community.adobe.com/
Moving from Using the Community (which is about the forums) to the correct forum... Mod

[Vishu_Aggarwal]

Try the following - 

Because you're working with .mp4 video files so go to > preferences > import > under video footage unckeck Enable Hardware Accelerated Decoding and restart after effects.