Videos are not uploaded to the media gallery.

Summary

When the video download reaches 100%, an error appears and a suggestion appears to repeat the download. And so on endlessly.
I managed to upload one video (8 MB in size). Other videos (with a larger size) fail, but the video resolution, codec, and everything else are the same for both videos.
I tried it in different browsers and the result is similar.

What type of bug are you experiencing?

Publishing

Steps to Reproduce

Fix the download

Expected Result

The video should load

Observed Result

An error appears

Platform

Opera, Chrome

Operating System

Windows 10