ERR_BLOCKED_BY_CLIENT means something in your browser, usually an extension...

https://www.mediafire.com/file/824h32433ybk7zk/pdf-45708-83890.pdf/file

ERR_BLOCKED_BY_CLIENT means something in your browser, usually an extension like an ad blocker, is stopping a page from loading. To fix it, try opening the site in private or incognito mode