ERR_BLOCKED_BY_CLIENT means a browser extension or setting is stopping a...

https://wiki-quicky.win/index.php/Why_Does_My_Ad_Blocker_Block_Embedded_Videos%3F

ERR_BLOCKED_BY_CLIENT means a browser extension or setting is stopping a website from loading. To fix it fast, open a private window to see if the page works there. If it does, check your extensions and turn off anything blocking the site