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Summary :


Are you bothered by PR_END_OF_FILE_ERROR on Mozilla Firefox? Are you wondering how to solve this problem? Don’t worry. In this post, MiniTool offers some fixes and you can have a try.

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 Mozilla Firefox is a free and popular web browser. There are over half a billion users who are using this browser. However, some of them report that they receive an error message “secure connection failed” while trying to open a webpage on Firefox. And it usually come with a code: PR_END_OF_FILE_ERROR.

How to solve the problem? Here are some fixes.

Fix 1: Refresh Firefox Browser

The easiest way to fix PR_END_OF_FILE_ERROR on Firefox is to refresh Firefox browsers. Here is how to do it.

Step 1: In Firefox, click the action button on the top-right corner of the window. Then select Help > Troubleshooting Information from the list.

click Troubleshooting Information

Step 2: In the pop-up window, find Give Firefox a tune up section and click Refresh Firefox button.

click Refresh Firefox

Step 3: In the confirmation prompt, click Refresh Firefox to confirm the operation. Then you need to wait until the process is finished.

Once it’s completed, you can try to open the same webpage in Firefox and check if the message PR_END_OF_FILE_ERROR has been removed.

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Fix 2: Disable Proxy Server

According to the report from users, PR_END_OF_FILE_ERROR could happen while you are using a proxy. In this case, you can disable the proxy server after stopping the software that is protecting your anonymity to solve the problem.

Follow the steps below to achieve it.

Tip: Sometimes the VPN server could also cause the problem, and you can also try disabling your VPN by removing the VPN client to solve the issue.

Step 1: Press Win + R to invoke Run window. Then input ms-settings:network-proxy and click OK to open Proxy Settings.

Step 2: Scroll down to find Manual proxy setup section and then turn the option Use a proxy server off.

turn Use a proxy server off

Step 3: Exit Settings and restart your computer.

Now you can launch Firefox and check if it works properly.

Tip: Third-party antivirus application might also cause the same problem. If the error still exists after you tried the fixes above, you may need to disable or uninstall your antivirus. Here is how to uninstall a program.

Fix 3: Create a New Firefox Profile

Corrupted profile could also lead to PR_END_OF_FILE_ERROR on Firefox. By creating a new profile, you can fix the issue simply.

Step 1: In Firefox, press Ctrl + Shift + B to open Library. Then click Import and Backup from tool bar and select Export Bookmarks to HTML. In the pop-up window, choose a location and save the bookmarks so that you can use them on the new profile later.

Tip: You can also go to Bookmark > Show All Bookmarks to open Library.

export bookmarks

Step 2: Copy “about:profiles” and past it to the address bar of Firefox. Then press Enter.

Step 3: In the following window, click Create a New Profile. Just click Next to continue when you see the Create Profile Wizard.

click Create a New Profile

Step 4: Enter new profile name and click Finish to generate the new profile.

Step 5: Now you can recover the bookmarks you exported. You need to go to Library again and click Import and Backup > Import Bookmarks from HTML. Select the bookmarks you saved in Step 1 and click Open to get it back.

When you finish all the steps, relaunch Firefox and the problem PR_END_OF_FILE_ERROR should disappear.

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