Help !! Zoom webcam glitch

Please help me ASAP, I have an important meeting tomorrow. Since Last week I experience a webcam issue, Whenever I turn on my camera and my webcam is glitching for 5 min and then being normal, and again it repeats like ( When a hacker tries to display it on your screen, Same as I do see my fellow participants in my cam area) Please see the attachment and just imagine your colleague is displaying like that instead of a hacker.