How to Fix Cloudflare's Error 1020: Access Denied
It can be frustrating to see “Error 1020: Access Denied” pop up on the screen when attempting to access a website. Thankfully, there is usually an easy way to fix this error and reach these blocked websites and pages.
Causes Cloudflare Error Code Google Chrome All Browser Enable Your All Else Fails Security Events Log
Source: howtogeek.com