Trouble (Patreon)

I'm having problems with playing movies in my game. So i have new computer and now  movie starts playing but freezes like 0.5-1 second into it. some of you mentioned this.The interesting thing is that it doesn't always freeze.

Anyone got any ideas? Worst case I have to replace all the videos with pictures....

Update: I solved.I hope so... I i will re-convert all animations to better quality. the game will thus have more mb.