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

https://web-wiki.win/index.php/How_Do_I_Safely_Test_a_Suspicious_Link_Without_Whitelisting_It%3F

ERR_BLOCKED_BY_CLIENT means a browser extension or setting is stopping a webpage from loading. The quickest fix is to open a private window, which disables most extensions. If the site works there, check your extensions and whitelist the site if needed