ERR_BLOCKED_BY_CLIENT means your browser blocked something, often due to an...

https://blogfreely.net/samuel-wang09/how-do-i-remove-an-extension-that-keeps-blocking-websites

ERR_BLOCKED_BY_CLIENT means your browser blocked something, often due to an extension like an ad blocker. To fix it quickly, open a private or incognito window and see if the issue still happens