How to Fix PR_END_OF_FILE_ERROR (SSL) in Firefox
PR_END_OF_FILE_ERROR: Internet connection has become indispensable for nearly everyone. People of all ages rely on the internet to access information from countless websites. To browse the internet, users can choose from various web browsers like Google Chrome and Firefox.
Numerous Firefox users have encountered an issue when attempting to access websites through the browser. A message displaying “Secure Connection Failed” appears on the screen, accompanied by the error code PR_END_OF_FILE_ERROR. Essentially, this error indicates that the browser is unable to establish a secure connection due to the failure of all SSL cipher suites.
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What are SSL Cipher Suites?
Cipher suites are collections of instructions that define how to secure a network using SSL (Secure Sockets Layer) or TLS (Transport Layer Security) protocols.
Consequently, we have compiled all the necessary information regarding the Secure Connection Failed error, along with a comprehensive guide to resolving this issue on your Firefox web browser.
What Makes the PR_END_OF_FILE_ERROR error on Firefox?
1. VPN / Proxy interference.
2. Corrupted Firefox profile.
3. Incorrect cipher variants.
4. Third-party security software interference.
Here are several significant factors that can contribute to the occurrence of the PR_END_OF_FILE_ERROR and Secure Connection Failed error on your Firefox browser.
Fix PR_END_OF_FILE_ERROR ‘Secure Connection Failed’ Error 2022
Here, we have provided a list of effective methods along with step-by-step instructions that you can follow to resolve the PR_END_OF_FILE_ERROR and Secure Connection error on your Firefox browser. Fix the PR_END_OF_FILE_ERROR
Method 1: Disable VPN or Proxy Connection. If you are using a VPN or Proxy, it is recommended to follow this method before trying others. Follow the steps below to disable them:
To uninstall a VPN application: Step 1: Press the Windows key and R simultaneously to open the Run dialog box. Step 2: Type ‘appwiz.cpl’ in the text box and press Enter to open the Programs and Features menu. Step 3: In the User Account Control (UAC) prompt, click Yes to grant administrative privileges. Step 4: In the Programs and Features screen, locate the VPN installed on your PC. Right-click on it and select Uninstall from the dialog box that appears. Follow the on-screen instructions to successfully uninstall the VPN from your PC and resolve the Secure Connection error on Firefox.
To disable the Proxy Server: Step 1: Press the Windows key and R simultaneously to open the Run dialog box. Step 2: Type ‘ms-settings:network-proxy’ in the text box and press Enter to open the Settings app’s Proxy tab. Step 3: Scroll down to the Manual proxy setup section and disable the toggle for ‘Use a proxy server.’ Check if the error has been resolved. If not, proceed to the next method.
Method 2: Create a New Firefox Profile.
Step 1: Open Firefox on your PC and navigate to the address bar. Paste ‘about:profiles’ and press Enter to access the Profile section of Firefox.
Step 2: In the About Profiles section, click on ‘Create a New Profile.’
Step 3: In the Create Profile Wizard, click on Next to proceed to the next menu.
Step 4: Provide a name for your profile and click on ‘Finish’ to create a new Firefox profile.
Afterward, restart Firefox and check if the Secure Connection error has been resolved. If the issue persists, proceed to the next method.
Method 3: Refresh the Firefox Browser.
If you have made modifications to the SSL settings of Firefox, it may result in the enforcement of cipher variants that are not supported by Firefox or a specific website. To resolve this error, follow the steps below:
Step 1: Launch Firefox on your PC and click on the action button located at the top-right corner of the screen.
Step 2: From the options menu, click on Help, then select Troubleshooting Information. Alternatively, you can type ‘about:support’ in the address bar and press Enter.
Step 3: In the Troubleshooting Information tab, scroll down and locate the Refresh Firefox option under the Give Firefox a tune-up section.
Step 4: A dialog box will appear on your screen. Click on ‘Reset Firefox’ to confirm and initiate the process.
Wait for Firefox to complete the refresh. Then, restart the browser and check if the error has been resolved. If the issue persists, proceed to the next method.
Method 4: Uninstall Third-party security software.
Numerous users have encountered this error, which can be attributed to security software such as Avast, Kaspersky, BitDefender, ESET, and others. To resolve the Secure Connection error, you can disable real-time protection while accessing the website or uninstall the security software altogether.
Method 5: Reinstall Firefox.
If none of the methods mentioned above successfully resolve the Secure Connection error, the only remaining option is to uninstall and reinstall Firefox on your PC.
Conclusion:
That concludes our comprehensive guide on resolving the PR_END_OF_FILE_ERROR ‘Secure Connection Failed’ Firefox Error. The methods provided are straightforward to understand and implement. If you have any additional methods or suggestions to fix this error, please share them in the comments section below.