ERR_BLOCKED_BY_CLIENT means your browser or an extension is stopping a website...

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

ERR_BLOCKED_BY_CLIENT means your browser or an extension is stopping a website from loading. The fastest way to fix it is to open a private or incognito window and try again. If that works, check your browser extensions and turn off any blocking ones