ERR_BLOCKED_BY_CLIENT means something in your browser is stopping a webpage...

https://city-wiki.win/index.php/How_Do_I_Stop_a_Content_Blocker_from_Breaking_Login_Pages%3F

ERR_BLOCKED_BY_CLIENT means something in your browser is stopping a webpage from loading. Often, it’s an extension like an ad blocker. To fix it, try opening the page in private mode. If it loads, check your extensions and whitelist the site if needed