Your screen recording can’t be saved - QuickTime error

Hello,

so when im trying to record my screen and then stop and save Quick Time show me this message:

^{:Your screen recording can’t be saved.:}

and video looks like this: https://imgur.com/rbc0EYT and https://imgur.com/u2nM8un

Any one can help?
i5 10400
RX 480 8 GB
Z490 Tomahawk

I can't watch Netflix in Safari, but in Chrome
I can watch Apple TV
I can make screenshots