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

https://www.foxtrot-bookmarks.win/err-blocked-by-client-means-your-browser-or-an-extension-is-stopping-a-website

ERR_BLOCKED_BY_CLIENT means a browser extension or setting is stopping a website from loading. To fix this, open a private or incognito window and try again. If it works, check your browser extensions and disable any that might block content