: Click the green Add Exception button. Type or paste the full URL of the website you want to unblock (e.g., https://example.com ) and click Add Exception to save it.
If by “helpful paper” you meant you want a (like a PDF or help document), I can provide step-by-step written instructions here, but I can’t generate or send files. Let me know if that's what you need.
To minimize the chances of Avast blocking a legitimate website in the future: