• December 1, 2023

How to fix PR CONNECT RESET ERROR in Mozilla Firefox?

Users of Mozilla Firefox browsers complain that they get a PR CONNECT RESET ERROR while surfing the Internet. For some, a similar error appears when going to absolutely any web resources, while others – when going to certain sites.

PR CONNECT RESET ERROR means that the peer, i.e. your PC received the required data from the server of the site you tried to navigate to, but could not process it properly. In today’s article, we are going to show you several working solutions for this error.



Solution # 1 Checking network cables and restarting the Wi-Fi router

Let’s start with you with something really trivial. Make sure all network cables are properly connected to your PC and Wi-Fi router. In addition, we recommend rebooting the router itself a couple of times: it could start working with errors and literally prevent you from connecting to some or all of the web resources.

Solution # 2 Disable proxy server

Some users claim that they managed to get rid of the PR CONNECT RESET ERROR by turning off the proxy server in the LAN settings. To disable the proxy server, you need to do the following:

  • press Windows + R to bring up the Run window in front of you;
  • write a value to an empty string control and press Enter;
  • in the view mode, select large or small icons (believe me, it will be easier this way);
  • open the section “Browser properties”;
  • go to the “Connections” tab and click on the “Network Settings” button;
  • uncheck the option “Use a proxy server for local connections (not applicable for dial-up or VPN connections)”;
  • save changes and close all previously open windows;
  • restart your computer.

Open your Mozilla Firefox and check for PR CONNECT RESET ERROR.

Solution # 3 Clearing the DNS cache and resetting the TCP / IP protocol settings

If you are experiencing any network problems, then you should definitely try resetting the DNS cache and TCP / IP network settings on your computer. This is done using a couple of elementary commands. Do the following:

  • press Win + R;
  • write down the value cmd and press the combination Ctrl + Shift + Enter;
  • run the following series of commands:
    • netsh int ip reset
    • netsh int ip reset resettcpip.txt
    • netsh int ipv4 reset
    • netsh int ipv6 reset
    • ipconfig / flushdns
  • when finished with the commands, restart your computer.

This method can solve a whole bunch of various network problems. Open your “mozilla” and try to go to the required web resource. The PR CONNECT RESET ERROR might have disappeared by now.

Solution # 4 Increase MTU

They also say that increasing the MTU (Maximum Transmission Unit) and RWIN (TCP Window Receive) values ​​helps to get rid of the PR CONNECT RESET ERROR error. This is done as follows:

  • press Windows + R;
  • prescribe control and press Enter;
  • open the “Network and Sharing Center” section;
  • click on the link “Changing adapter parameters”;
  • copy the exact name of your network connection, for example, into a text document;
  • press Win + R again;
  • write down cmd and press Ctrl + Shift + Enter;
  • enter the command netsh interface IPv4 set subinterface “NAME OF NETWORK CONNECTION” mtu = 1472 store = persistent and press Enter.

Solution # 5 Disable AppEx Networks Accelerator

AppEx Networks Accelerator is widely known on the Internet for its ability to slow down the speed of a network connection, and, as noted by users, by as much as 70-80%. Let’s try to disable this component with you and see what happens.

  • press Windows + R;
  • write down control and press Enter;
  • open the “Network and Sharing Center” section;
  • click on the link “Changing adapter parameters”;
  • right click on your network connection and select “Properties”;
  • find in the list of components “AppEx Networks Accelerator” and uncheck it;
  • save your changes and restart your computer.

Solution # 6 Updating the network adapter driver

You may be encountering a PR CONNECT RESET ERROR due to the fact that your network adapter driver did not start working correctly. In most cases, it is enough to update this driver through the device manager, which can be done like this:

  • press Win + R;
  • write down devmgmt.msc and press Enter;
  • expand the “Network adapters” section;
  • right click on your network adapter and select “Update driver”;
  • in the new window, select the option “Automatically search for updated drivers”, then follow the instructions on the screen;
  • restart your computer after updating the network adapter driver.
Earn points and exchange them for valuable prizes – details

Leave a Reply

Your email address will not be published. Required fields are marked *