One of the interruptions you may face while surfing the web using the Firefox Web Browser is described in this article. If you are using the Mozilla Firefox app as the default web browser for surfing the web, you may have noticed PR_END_OF_FILE_ERROR. PR END OF FILE ERROR secure connection failed will not allow you to access the web and you cannot use the web for search results on the web. PR END OF FILE ERRORFirefox is a troublesome problem and you may not be able to use the app for searching results. The article has various methods to solve the error on your PC and then use the Firefox app for surfing the web.
How to Fix Firefox PR END OF FILE ERROR in Windows 10
The Mozilla Firefox runs on a cipher suite which is an algorithm or a set of instructions used to secure a network connection over the SSL or the TLS layer. The SSL or the Secure Sockets Layer and the TLS or the Transport Layer Security is a protective layer that is used to secure the network connection for using the Firefox app for browsing the web. If you are not able to use the website on the Firefox app, you may get PR END OF FILE ERROR or a secure connection error. The causes for the secure connection failed error on the Firefox Web Browser app on your PC are listed below in this section.
- VPN or Proxy connections- The VPN or the Virtual Private Network connection may interrupt the browsing if you are trying to access a website restricted in your region. If you are using a Proxy connection, you may not be able to use the Firefox browser for browsing the web due to the interference.
- Alterations in the cipher variants- If you have tried to modify the cipher variants in the SSL layer on the Firefox web browser, you may get the secure connection failed error.
- Corrupt web user Profile- If the web user Profile you are using in the Firefox app is corrupt, you may not be able to access the web and may receive an error.
- Interruptions by third-party security software- If you are using any third-party security software such as Anti-virus on your PC, it may interrupt your browsing on the web and you may receive the error.
Nota: The methods described in the article are described for the PC con Windows 10 and may differ for other Windows versions.
Métodos básicos de solución de problemas
You can try using the basic troubleshooting methods at first to fix PR END OF FILE ERROR as the issue may get resolved with simple modifications.
1. Disable VPN and Proxy services: You need to disable the VPN and Proxy services on your PC to use the Firefox app without the secure connection failed error. Read the article on the methods to disable the VPN and Proxy services on your PC using the link provided here.
2. Disable the Anti-virus software: Sometimes, the third-party security software may interrupt the Firefox app and you may receive the error, so you need to disable the Anti-virus software. Follow the steps provided in this article to disable the anti-virus software on your PC using the link given.
3. Try a Better Anti-virus Suite: If the anti-virus software you are using is problematic and does not allow you to access the Firefox app, you can try using a different anti-virus suite like Norton.
4. Uninstall Anti-virus software: If you are not able to access the website on the Firefox app due to the interruption by the anti-virus software, you can try uninstalling the software. Read the articles on how to uninstall the Norton app on your PC using the link given here. If you are using Avast, read the article 5 ways to completely uninstall Avast antivirus in Windows 10.
5. Disable Firewall Restrictions: If the Firewall on your PC is interrupting the access to the Firefox web browser, you can try disabling the firewall restrictions to fix the error. Follow the method given in the link here to disable the firewall restrictions on your PC to solve the error.
6. Allow Mozilla Firefox app through the Firewall app: If the Firefox app is not allowed in the Firewall on your PC, you may not be able to have the secure connection failed error. You need to enable the app and remove the restrictions to port number 443 to access the web browser. Read the article to allow the Mozilla Firefox app through the Firewall on your PC using the link provided in the section.
Lea también Cómo arreglar Firefox que no carga páginas
Below are all possible advanced troubleshooting steps to fix PR_END_OF_FILE_ERROR Firefox issue on Windows 10.
Method 1: Clear Firefox Cache Files
If there are a lot of cache files on the Firefox app, you may get PR END OF FILE ERROR on the Firefox app. Use the method to clear the cache files on the Firefox app to fix the error.
1. Abre el Mozilla Firefox navegador.
2. Aquí, haga clic en el Abrir menú de aplicaciones button or the three horizontal lines at the top-right corner of the page and click on the Ajustes Opción en la lista.
3. Haga clic en el Privacidad y seguridad tab in the left pane of the window and click on the Borrar datos… botón en el Cookies y datos del sitio .
4. Seleccione Cookies y datos del sitio y Contenido web en caché opciones en el Borrar datos ventana y haga clic en el Actualizar button to clear the cache files.
5. Haga clic en el Despejado ahora botón de la Clear all cookies and site data ventana de confirmación.
Lea también Reparar Firefox ya se está ejecutando
Method 2: Modify Mozilla Firefox Settings
You can modify the settings on the Mozilla Firefox Web Browser app to fix PR END OF FILE ERROR on Windows 10. The methods discussed below can help you fix the glitches and the changes in the settings and you can solve the error.
Option I: Reset Firefox SSL Settings
If you have altered the SSL settings or if you have imported any foreign SSL file on the Firefox app, the SSL setting may have been configured wrongly. To fix the issue on the same, you need to reset the Firefox SSL settings and refresh the Firefox app using the method described below.
1. presione el Tecla de Windows, tipo Firefox y haga clic en Abierto.
2. Haga clic en el Abrir menú de aplicaciones button or the three horizontal lines at the top-right corner of the page and click on the Ayuda opción en la lista mostrada.
3. En el Ayuda de Firefox menú, haga clic en el More troubleshooting methods option in the list available.
4 Luego, haga clic en el Restablecer Firefox ... botón en el Pon a punto Firefox sección sobre Información para solucionar problemas .
5. Haga clic en el Restablecer Firefox botón de la Refresh Firefox to its default settings? pop-up message window.
6. Haga clic en el Acabado botón de la Asistente de importación displayed to complete the refresh process.
7. After the Firefox app has restarted, select the option on the screen and click on the ¡Vamonos! Para continuar.
Lea también Solucionar el error de servidor no encontrado en Firefox
Option II: Create New User Profile
If the User Profile you have created on the Firefox app is corrupt, you need to create a new user profile to fix the error. Follow the steps to create a new user profile to fix PR END OF FILE ERROR on the Firefox browser.
Step 1: Import Saved Bookmarks
Before creating a new User Profile on the Firefox app, you need to import the Bookmarks you have saved on the current User Profile to avoid any loss of data.
1. Lanza el Firefox navegador.
2. Aquí, haga clic en el Abrir menú de aplicaciones button or the three horizontal lines at the top-right corner of the page and click on the Favoritos opción en la lista mostrada.
3. En el Favoritos menú, haga clic en el Administrar marcadores opción en la parte inferior.
4. Haga clic en el Importar y respaldar button at the menu bar in the Biblioteca pantalla y haga clic en el Exportar marcadores a HTML opción en la lista mostrada.
5. Browse for a location in the Exportar archivo de marcadores window, select the location, and click on the Guardar para guardar el archivo de marcadores.
Step 2: Create New User Profile
Using the steps given in this section, you can create a new user profile on the Firefox app and use the Profile account for browsing the web.
1. Open Firefox and type acerca de: perfiles in the URL address bar and press the Participar clave para abrir el Acerca de los perfiles ventana.
2. Haga clic en el Crear un nuevo perfil button on the window to create a new User Profile for the Firefox app.
3 Luego, haga clic en el Siguiente botón de la Bienvenido al asistente para crear perfil ventana.
4. Enter the name of the Profile in the Ingrese el nuevo nombre del perfil barra y haga clic en el Acabado en la ventana para crear el perfil.
Nota: You can also change the location for storing the User Profile name instead of the default location.
Lea también Reparar el error de conexión no segura en Firefox
Option III: Disable DNS over HTTPS Setting
If the DNS over HTTPS setting is enabled, you may receive PR END OF FILE ERROR on the website you are trying to access. You can try disabling this setting using the steps described below in this method.
1. Abre el Firefox navegador web.
2. Ahora, haga clic en el Abrir menú de aplicaciones button or the three horizontal lines at the top-right corner of the page and click on the Ajustes Opción en la lista.
3. Haga clic en el General tab in the left pane of the window and click on the Configuraciones ... botón en el Configuración de red .
4. Selecciona la opción Habilitar DNS sobre HTTPS settings and click on the OK para guardar la configuración
Option IV: Disable Firefox Proxy Settings
If you are using a Firefox Proxy, you may not be able to use the web on the Firefox app. You need to disable the Firefox proxy setting on the Firefox app to fix PR END OF FILE ERROR error.
1. Lanza el Mozilla Firefox navegador.
2. Haga clic en el Abrir menú de aplicaciones button or the three horizontal lines at the top-right corner of the page and click on the Ajustes Opción en la lista.
3 Luego, haga clic en el General tab in the left pane of the window and click on the Configuraciones ... botón en el Configuración de red .
4. Selecciona la opción Sin proxy existentes Configure Proxy Access to the Internet sección y haga clic en el OK para guardar la configuración
Lea también Reparar la falta de sonido en Firefox en Windows 10
Método 3: reinstalar Firefox
If none of the methods can solve the PR_END_OF_FILE_ERROR on the Firefox app, you can try reinstalling the Firefox app on your PC.
The steps explained below will help you uninstall the Firefox app on your PC using the Control Panel app.
1. Presione el Tecla de Windows, tipo Panel de Control, Y haga clic en Abierto.
2. Selecciona el Ver por > Categoría, luego haga clic en el Desinstalar un programa opción en el Programas .
3. Seleccione Mozilla Firefox (x64 en-US) y haga clic en el Desinstalar en la parte superior de la barra y haga clic en el Sí botón de la Control de cuentas de usuario ventana.
4. Haga clic en el Siguiente botón en el Desinstalación de Mozilla Firefox ventana.
5 Luego, haga clic en el Desinstalar button on the next window to uninstall the Firefox app.
6. Haga clic en el Acabado button on the last window to complete the uninstallation of the Firefox app.
Using the steps given below, you can reinstall the Mozilla Firefox app on your PC.
7. Abre el Google Chrome aplicación de Búsqueda de windows.
Nota: You can use any other web browser to download the Firefox app on your PC.
8. Abra el sitio web oficial de la Aplicación Mozilla Firefox on the Google Chrome app and click on the descargar Firefox botón en la ventana.
9. Haga doble clic en el archivo descargado Instalador de Firefox.exe file on the window to run the installation file.
10. Wait for the installation process to complete in the Instalador de Firefox ventana.
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The article has listed the methods to solve PR END OF FILE ERROR secure connection failed on Windows 10. The methods described in this section can be used to fix PR_END_OF_FILE_ERROR Firefox and you can access the web without any restrictions. Please let us know your suggestions and queries on the topic discussed in the article in the comments section below.