How to fix PR_CONNECT_RESET_ERROR error in Mozilla Firefox

By | April 30, 2020

Do you experience the annoying “PR_CONNECT_RESET_ERROR” error in Firefox? If you see the error: PR_CONNECT_RESET_ERROR in Firefox, then Firefox tries to connect to a website with an unsupported version of a security protocol.

The authenticity of the received data could not be verified by Firefox, according to Firefox.


In this article, I will give you instructions on how to fix the PR_CONNECT_RESET_ERROR error in Firefox.

Read on and follow the step-by-step instructions.

How to fix PR_CONNECT_RESET_ERROR error in Mozilla Firefox

Open the Firefox browser, in the top right corner open the Firefox menu. In the Firefox menu open the Firefox Options.

firefox menu options

In the left menu click on General, scroll down to Network Settings. Open the Settings in the Network Settings section.

network settings firefox

In the proxy settings in Firefox, change Use System Proxy settings to auto-detect proxy settings for this network.

change proxy settings firefox

Scroll down to Enable DNS over HTTPS settings in Firefox, enable the DNS over HTTPS checkbox and change the DNS provider to Cloudflare. Click OK to save settings.

enable dns over https firefox

Reload the website you were getting the PR_CONNECT_RESET_ERROR from and try again. The PR_CONNECT_RESET_ERROR error in Firefox is now gone!

Thank me! Help other people. Share this information on social media, a forum or website, and contribute to a safer internet for everyone.

Author: Max

Hi, I am Max. I am a computer security researcher. Every day I blog about new adware threats as they are released. I am also active in various online communities to help people with their computer problems. Stay safe!

2 thoughts on “How to fix PR_CONNECT_RESET_ERROR error in Mozilla Firefox

  1. AvatarKimmy

    Why would I need (or ever want) all my data to travel through cloudflare???

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