ERR_BLOCKED_BY_CLIENT means something, like an extension or setting, is...

https://dibz.me/blog/why-does-reloading-not-fix-a-blocked-by-client-error-1188

ERR_BLOCKED_BY_CLIENT means something, like an extension or setting, is stopping a webpage from loading. To fix it, try opening the page in private mode, which disables extensions. If it works there, check your extensions and whitelist the site if needed