How to Fix the “pr_end_of_file_error” Error in Firefox

Open all your sites without issues again

Mozilla Firefox’s “pr_end_of_file_error” error occurs when your browser has an SSL security issue. Usually, items like proxies and VPNs are the causes of this problem. You can follow a few easy methods to get around this problem in your favorite web browser. Here’s how.

Firefox can display the above errorbecause your browser profile is corrupt, your antivirus has detected Firefox as a malicious item, Firefox’s DNS over HTTPS option is enabled, or other reasons.

Turn Off Your Computer’s Proxy

One way to get around your Firefox browser’s “pr_end_of_file_error” error is by turning off your device’s proxy server. A proxy server transmits your data through a third-party server, causing issues with your connection.

Turning off a proxy serveron Windows, Mac, and Firefox is as easy as this.

You’ll deactivate all kinds of proxies on your Mac to resolve the Firefox error.

Firefox has built-in proxy settings; you can try turning off these proxy connections to resolve your error.

Disable Your VPN App

VPN apps route your internet data via a proxy server, sometimes causing issues with your internet-enabled apps. Your Firefox error may be the result of abad VPN service.

In this case, turn off your VPN app, and your issue will be resolved. How you disable your VPN depends on the app you’re using. You’ll find the option to turn off the service on the main interface in most VPN apps. Then, open Firefox and try to launch your site.

If your site launches just fine after disabling the VPN, change your location in the VPN and see if you can then access your site. If that doesn’t work, contact your VPN’s customer support and ask for a resolution. If your issue remains unsolved, you can uninstall your app andget a new one.

Turn Off Your Antivirus Software

Sometimes, Firefox displays a “pr_end_of_file_error” error because your antivirus program detected the browser or your site as malicious. In this case, your antivirus will continue to block your access to your item.

You can check for that by temporarilyturning off your antivirus protection. How you do this depends on the app you’re using. You can find the option to disable real-time protection on the main screen in most antivirus tools.

If you’re on Windows and use Microsoft Defender Antivirus, you canturn off this tool’s protectionas follows:

Disable DNS over HTTPS to Fix pr_end_of_file_error

DNS over HTTPSis a built-in Firefox option that sends your DNS queries over a secure protocol. Sometimes, this feature doesn’t work well and causes various issues. You can fix that by turning off the option in your browser.

Refresh Firefox Settings

If your “pr_end_of_file_error” issue persists,Firefox’s configuration may have a problem. In this case, you can clear your entire browser configuration and start from scratch. This should resolve your issue.

When you refresh Firefox settings, you don’t lose your essential information, like your saved passwords and bookmarks.

Create and Use a New Firefox Profile

If your error remains unresolved, your Firefox profile might be corrupt. A corrupt profile causes various instabilities in the browser, leading to multiple error messages. In this case, you can create anew profile in your browser.

When you create a new profile, your browser data, like your bookmarks and saved passwords, aren’t migrated. You should manually back up these items before making andusing a new profile.

Get Around Firefox’s SSL Errors on Your Windows and Mac Computers

Firefox’s “pr_end_of_file_error” can prevent you from accessing even the most trusted sites on the internet. If your error message doesn’t disappear after a few refreshes, the above methods will help you.

Once you’veresolved your browser error, you can open all your sites without issues in your favorite web browser. Happy surfing!

Mahesh has been obsessed with technology since he got his first gadget a decade or so ago. Over the last few years, he’s written a number of tech articles on various online publications including but not limited to MakeTechEasier and Android AppStorm.Read Mahesh’s Full Bio

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How to Fix the “pr_end_of_file_error” Error in Firefox#

Turn Off Your Computer’s Proxy#

Disable Your VPN App#

Turn Off Your Antivirus Software#

Disable DNS over HTTPS to Fix pr_end_of_file_error#

Refresh Firefox Settings#

Create and Use a New Firefox Profile#

Get Around Firefox’s SSL Errors on Your Windows and Mac Computers#

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