Pr_End_of_File_Error Firefox Fix

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How to Fix Firefox’s PR_END_OF_FILE_ERROR ‘Secure Connection Failed’

“How to Fix Firefox’s PR END OF FILE ERROR ‘Secure Connection Failed'” is described in detail here.

A Secure Connection Failed error message is displayed to some Mozilla Firefox users when they attempt to access a website using the browser. To put it another way, this error indicates that all cypher suites failed and that the browser was unable to establish a secure connection (Firefox reached the end of the list due to various reasons). When this occurs, users have reported receiving the identical error message on any website they attempt to access during this period.

So, what is causing the PR_END_OF_FILE_ERROR Secure Connection Failed error in Firefox?

Disable VPN or Proxy Connection (if applicable)

Now that we know what’s going on, let’s look at how to fix the Secure Connection Failed problem in Firefox.
Using a VPN or a proxy to sabotage: Interference from a proxy server or virtual private network (VPN) is a possible cause. In this case, the mistake could be caused by any software that intercepts the connection (acts as a middle man). You should either disable the proxy server or delete the VPN application that is protecting your privacy if this is the case.

If you previously adjusted your SSL settings, it is possible that you are encountering this error because your browser is now enforcing some cypher variations that Firefox or the website you are attempting to access do not support. This problem can be resolved by refreshing your Firefox browser using the Troubleshooting Information menu.

Corrupted Firefox profile: This error code might be caused by a corrupted Firefox profile. There were several people who suffered data loss who were able to avoid it by exporting their bookmarks, creating a new profile, and then importing their old bookmarks.

In some cases, overprotective third-party security suites (such as Avast, Kaspersky, BitDefender, and Eset) will cause this problem by intercepting connection certificates and delivering their own instead of the original. In this instance, you have two options: disable real-time protection or delete the overprotective software suite.

How to Fix the PR_END_OF_FILE_ERROR ‘Secure Connection Failed’ Error

Disable VPN or Proxy Connection (if applicable)

See also: Unblock Web-Links or Virtual Tour Links (for more information).
How to Resolve the PR END OF FILE ERROR ‘Secure Connection Failed’ When Trying to Open a File Error
Disable the use of a VPN or proxy connection (if applicable)
PR END OF FILE ERROR When connecting using a proxy or VPN server, as reported by multiple impacted customers, a connection can be lost (or any other kind of software that works by intercepting the Connection and acting as the middle man).

Some remedies are effective, but others may result in this error if they are enabled. This error message is most often caused by a virtual private network (VPN) or proxy solution.

If this is the case, join immediately after removing any software that is designed to keep your identity hidden. Our goal was to make this process as simple as possible, therefore we produced two guides: one for proxy users and another for VPN users. Any strategy that you find most appropriate for your scenario should be used.

Remove the VPN Client from your computer.
To open the Run dialogue box, press the Windows key and the R key together. To open the Programs and Features menu, put ‘appwiz.cpl’ into the address bar and press Enter. Whenever User Account Control (UAC) prompts you, choose Yes to grant administrative permissions.
From the Programs and Features screen, navigate through the list of installed software, looking for the third-party VPN that you are now connected to. You can uninstall it by right-clicking on it and choosing Uninstall from the context menu.
Once you’ve entered the uninstall wizard, simply follow the on-screen directions to complete the process. After completing the process, restart the computer to determine whether or not the problem has been resolved.
Disabling the Proxy Server
To start a programme, hit Windows + R at the same time. To open the Proxy tab of the Settings app, type “ms-settings:network-proxy” into the text box and press Enter.
Upon entering the Proxy tab, scroll down until you reach the Manual proxy configuration section. Then navigate to the appropriate area and uncheck the Use a proxy server checkbox.
After the operation is completed, restart your computer. Then, when the next restart is complete, go back and perform the operation that resulted in the PR END OF FILE ERROR message.
If the problem persists after completing the procedures outlined below, or if neither method was successful, move on to the next possible solution to the problem.

2. Reload Firefox on your computer.
Apparently, this issue is rather typical in instances where users have previously experimented with SSL settings, resulting in cypher variations that are not supported by Firefox or the website you are attempting to visit.

If the scenario described above applies, the only solution is to revert Firefox to its default configuration. Fortunately, this browser contains a feature that enables you to do so without having to reinstall the programme on your computer.

The following is an example of how to use the Troubleshooting Information menu to refresh Firefox:

Firefox should be opened, and the action button in the top-right corner should be clicked. Select Help > Troubleshooting Information from the drop-down menu that appears next.
Once you’ve arrived at the Troubleshooting Information menu, select Refresh Firefox from the right-hand side of the screen (under Giving Firefox a tune-up).
At the end of the process, click Refresh Firefox once more to restart the process. After the operation is complete, close and reopen the browser.
Recreate the action that resulted in the problem and observe if the problem persists.
If the error PR END OF FILE ERROR (Secure Connection Failed) continues to occur after completing the procedures outlined above, proceed to the next possible solution.

See also: How to Resolve the SSL ERROR NO CYPHER OVERLAP Error in Firefox
3. Disable DNS over HTTPS connections.
Some websites, however, may not function properly as a result of the PR END OF FILE Problem (Secure Connection Failed) error that is caused by this option in Mozilla Firefox when it is enabled. This is a straightforward fix. Take the following steps:

Open Firefox and put “about:preferences#general” into the address bar to get the preferences page.
Now, scroll down to the Network Settings section and click “Settings” next to it.
Uncheck the “DNS over HTTPS” checkbox and relaunch Firefox.
4. A new Firefox profile has been created.

2. Refresh Firefox

It is possible that a corrupted profile will result in an error message stating PR END OF FILE ERROR (Secure Connection Failed). Several concerned users reported that they were able to address the problem by creating a new profile through the ‘about: profiles’ menu, then exporting and importing the bookmarks from their previous profile.

If you primarily use Chrome, you may effortlessly import your bookmarks into Firefox using the Chrome Extension.

Although this technique appears to be hard, the stages are straightforward. You must perform the following steps in order to repair a corrupted profile:

To begin, export your bookmarks so that you can import them into your new profile. To do so, click on the bookmark symbol and select Bookmark > Show All Bookmarks from the menu (top right).
Select Import and Backup from the Library menu, and then Export Backups to HTML from the drop-down list that appears.
Please select a location, give it a name, and then click Save to export your bookmarks from the current window.
Go to the top navigation bar of your Firefox browser and click on Preferences. To access Firefox’s Profile section, copy and paste the text ‘about: profiles’ into the address bar and press Enter.

3. Disable DNS over HTTPS

Once you’ve reached the right-hand menu, choose Create a New Profile (under About Profiles).
To proceed to the next menu in the Create Profile Wizard, click Next once you’ve entered the dialogue box. Please enter a name for your profile on the following screen, and then click Finish to complete the process of creating it.
Following the creation of a new profile, you must restore the bookmarks from the previous profile. To do so, click on the bookmark symbol and select Bookmark > Show All Bookmarks from the menu (top right).
From the Library menu, select Import and Backup > Import Bookmarks to HTML to import bookmarks into HTML format. Then, in step 3, locate the exported bookmarks and click Open to import them into the new profile.
Check to see whether the Secure Connection Failed error has been resolved by restarting your browser.
If the problem persists, move on to the next step in the process.

4. New Firefox Profile

5. Disable any third-party security suites.
This problem can potentially be caused by an overprotective third-party antivirus programme (security suite). Given that Avast, Kaspersky, BitDefender, and ESET (among others) are designed to intercept connection certificates and send their own, this is an important consideration.

While most websites permit this, some may generate the PR END OF FILE ERROR (Secure Connection Failed) error as a precautionary measure to prevent unauthorised access.

5. Remove 3rd party security suite

Then stop real-time protection while viewing the website or uninstall any overprotective security software that may have been installed.

Disable the real-time protection in order to keep the harm under control. It should be noted, however, that the procedure differs based on the 3rd party tool used. Fortunately, most antivirus and firewall suites allow you to do this action from the taskbar icon on your computer.

Once you’ve done that, restart your computer to check whether the problem still occurs.

Assuming that the problem persists, the next logical step is to eradicate any and all third-party security meddling. Here’s a simple instruction on how to accomplish this while avoiding the creation of any residual files that could cause the same problem:

To open the Run dialogue box, press Windows + R. To open the Programs and Features window, type ‘appwiz.cpl’ on the command line to bring up the Run dialogue box.
Select Programs and Features from the Start menu and then scroll down the list of installed apps until you find the 3rd party security suite that you’re currently utilising. Then, from the newly presented context menu, pick Uninstall from the newly appeared context menu.
Follow the on-screen prompts to complete the uninstalling process.
Following the uninstallation of your security suite, follow the on-screen instructions to remove any residual files.
Check to check if the problem has been resolved by restarting your computer.
Frequently Asked Questions by Users:
What is the meaning of PR END OF FILE ERROR?
It’s a PR END OF FILE ERROR, which is a regular secure connection fault in Firefox, according to the documentation. Whenever Firefox’s “cypher suites” fail to create a secure connection with a website, this error happens.

Is it possible to fix PR END OF FILE ERRORs that occur during the installation process?
Disable the use of a VPN or proxy connection (if applicable)
Reload Firefox to see the changes.
Disable DNS over HTTPS in your browser.
Reseting the Firefox profile is an option.
Uninstalling a third-party security application is a good idea.
What you need to know about fixing a secure connection in Firefox.
Firefox. In the address bar, type about:config to see the configuration options.
The warning page is displayed. To accept the risk, select I accept the risk.
Check to check whether the error has been resolved by reconnecting to the website.
See also: How to Resolve the ‘SSL Error Bad Mac Alert’ Error in Firefox (Part 2)
Err connection reset
The error message Err connection reset indicates that the connection could not be created properly. As a result, the connection has been “reset.”

What caused the secure Connection to be unsuccessful?
Connection with Confidence The security certificate (commonly known as SSL) is either invalid or expired, or it is simply not present at this time. If your browser alerts you that the connection is not secure, you may experience serious consequences if you continue..