You may face Blizzard error code 2 when you attempt to join online sessions on Blizzard games like Diablo 2, World of Warcraft, Diablo 3, Overwatch, or Starcraft, etc. Battle.net Error #2 Unable to connect issue occurs on your device due to the inadequate internet connection. When you face this issue, you cannot continue your games like Diablo 3 or WoW online. This guide gives you a list of effective solutions to fix Battle.NET error code 2 on your Windows 10 PC.

How to Fix Blizzard Battle.NET Error Code 2

Continue reading to know about the solutions for Blizzard error code 2 issue.

Contents

  • How to Fix Blizzard Battle.NET Error Code 2
  • What Causes Blizzard Error Code 2 on PC?
  • Basic Troubleshooting Steps
  • Method 1: Run Blizzard Battle.net as Administrator
  • Method 2: Run Blizzard Repair Tool
  • Method 3: Modify Windows Firewall Settings
  • Method 4: Disable Antivirus Temporarily (If Applicable)
  • Method 5: Create New User Profile
  • Method 6: Reinstall Conflicting Battle.net Game

What Causes Blizzard Error Code 2 on PC?

There is no specific reason that triggers Battle.NET error code 2 on Windows 10. Yet, we have analyzed several online reports and discussion platforms and listed out the possible factors that cause the problem on your Windows 10 PC.

  • The system requirements for the game are not met.
  • Some background program is blocking the game.
  • You are not using admin rights for the game to operate functionally.
  • The corrupt Windows Store cache is preventing the game from being opened.
  • Inappropriate date and time settings.
  • The game is not prioritized, and your PC has high performance in Power settings.
  • The graphics drivers on your PC are not compatible.
  • Antivirus or firewall program on your PC is preventing the game from normal launch.
  • Microsoft Visual C++ packages are not in the latest version.

Read and implement the below-discussed methods in your Windows 10 computer for resolving Battle.net Error #2 issue and prevent the same.

Basic Troubleshooting Steps

Before you try the advanced troubleshooting methods, try these basic troubleshooting hacks that will help to fix the problem.

  1. Restart PC

The general trick to resolve all the temporary glitches associated with Battle.net is to restart your computer. You can restart your PC by following the steps.

  1. Navigate to the Windows Power User menu by pressing the Windows and X keys simultaneously.

  2. Select Shut down or sign out.

  3. Finally, click on Restart.

Once you have restarted the service, check if you can access the game without any errors.

  1. Check System Requirements

If you are facing Battle.NET error code 2, you have to check the basic requirements of the Battle.net games and ensure that your PC satisfies them.

Minimum Requirements:

  • CPU: Intel Core i5-760 or AMD FX-8100 or later
  • CPU SPEED: Info
  • RAM: 4 GB RAM (8GB for integrated graphics such as Intel HD Graphics)
  • OS: Windows 7 / Windows 8 / Windows 10 64 bit
  • VIDEO CARD: NVIDIA GeForce GTX 560 2GB or AMD Radeon HD 7850 2GB or Intel HD Graphics 530 (45W)
  • PIXEL SHADER: 5.0
  • VERTEX SHADER: 5.0
  • FREE DISK SPACE: 70 GB
  • DEDICATED VIDEO RAM: 2 GB

Recommended Requirements:

  • CPU: Intel Core i7-4770 or AMD FX-8310 or later
  • CPU SPEED: Info
  • RAM: 8 GB
  • OS: Windows 10 64 bit
  • VIDEO CARD: NVIDIA GeForce GTX 960 or AMD Radeon R9 280 or later
  • PIXEL SHADER: 5.1
  • VERTEX SHADER: 5.1
  • FREE DISK SPACE: 70 GB
  • DEDICATED VIDEO RAM: 4 GB
  1. Ensure Proper Network Connection

An unstable internet connection leads to Blizzard error code 2. Also, if there are any obstacles between your router and your computer, they may interfere with the wireless signal and will cause intermittent connection problems.

You can run a fast.com to know the optimum level of network speed required for the proper connection.

Ensure that your device satisfies the below criteria.

  • Find the signal strength of your network and if it is very low, clear all the obstructions in between the way.
  • Avoid too many devices connected to the same network.
  • Always buy a modem/router verified by your Internet Service Provider (ISP) and they are free of conflicts.
  • Do not use old, broken, or damaged cables. Replace the cables if necessary.
  • Make sure the wires from the modem to the router and the modem to the wall are stable and out of disturbance.

If there are any internet connectivity issues, check our guide How to Troubleshoot Network Connectivity Problems on Windows 10 to troubleshoot the same.

  1. Close Background Tasks

Several users have confirmed that Battle.net Error #2 can be resolved by closing all the background tasks running on your PC. To implement the task, follow our guide How to End Task in Windows 10, and proceed as instructed.

Once you have closed all the background processes, check if you were able to fix the discussed error code.

Also Read: How to Fix Overwatch Crashing

  1. Repair System Files

If there are any missing or damaged files on your Windows 10 PC, you will face Battle.net Error #2. Yet, you are repairing these corrupt files by using inbuilt utilities namely, System File Checker and Deployment Image Servicing and Management.

Read our guide on How to Repair System Files on Windows 10 and follow the steps as instructed to repair all your corrupt files.

  1. Run Full Disk Cleanup

A few users have suggested that clearing some disk space on the PC has helped them sort out the discussed Battle.NET error code 2 issue. This will enable your computer to install new files whenever needed which will help you fix the problem.

If there is minimum available space in your computer contributing to the Battle.net update error code, follow our guide 10 Ways to Free Up Hard Disk Space On Windows which helps you clear all unnecessary files in your computer.

  1. Update Windows

You can also eradicate bugs in your computer and game by updating your Operating System. Always ensure if you have updated your Windows Operating System and if there are any updates pending in action, use our guide How to Download and Install Windows 10 Latest Update.

After updating your Windows Operating System, check whether you can connect to your Battle.net game server without any errors.

  1. Update Graphics Drivers

If the drivers are outdated or faulty, make sure you update them. You can search for the newest releases of drivers from its official websites or you can update them manually. Follow our guide 4 Ways to Update Graphics Drivers in Windows 10 to update your driver and check if you can fix Battle.NET error code 2.

  1. Roll Back GPU Drivers

Sometimes, the current version of GPU drivers may cause Battle.NET error code 2 problem and in this case, you have to restore previous versions of installed drivers. This process is called rollback of drivers and you can easily roll back your computer drivers to their previous state by following our guide How to Rollback Drivers on Windows 10.

Also Read: Fix Star Wars Battlefront 2 Not Launching

  1. Reinstall Graphics Drivers

If you still face Blizzard error code 2 after updating your Graphical drivers, then reinstall device drivers to fix any incompatibility issues. There are several ways to reinstall drivers on your computer. Yet, you can easily reinstall Graphical drivers as instructed in our guide How to Uninstall and Reinstall Drivers on Windows 10.

 

After reinstalling GPU drivers, check if you can access Battle.net games without any errors.

  1. Clear DNS Cache & Data

Few users have suggested that clearing the DNS cache and data on your PC has helped them fix Battle.NET error code 2. Follow as instructed.

  1. Hit the Windows key and type cmd. Then, click on Open.

  2. Now, type the following commands one by one. Hit Enter key after each command.

ipconfig/flushdns ipconfig/registerdns ipconfig/release ipconfig/renew netsh winsock reset

  1. Wait for the commands to be executed and restart your PC.

  2. Reset Network Settings

Several users have declared that, resetting network settings will resolve strange network connection issues. This method will forget all the network configuration settings, saved credentials, and a lot more security software like VPN and antivirus programs. This will also help you fix Blizzard error code 2 on your Windows 10 PC.

To do so, follow our guide on How to Reset Network Settings on Windows 10

Method 1: Run Blizzard Battle.net as Administrator

This is one of the most common reasons that cause Blizzard error code 2 in your Windows 10 PC. Certain permissions and features can only be accessed if you have granted admin rights to the game. In this scenario, you can fix the discussed issue by following the below-listed instructions.

  1. Right-click on the Battle.net shortcut on the desktop or navigate the installation directory and right-click on it.

  2. Now, select the Properties option.

  3. Then, switch to the Compatibility tab and check the box Run this program as an administrator.

  4. Finally, click on Apply and OK to save the changes.

Also Read: Fix Diablo 3 Error Code 1016 on Windows 10

Method 2: Run Blizzard Repair Tool

If you still couldn’t fix Battle.NET error code 2, there may be some chances that your PC has some damaged gaming files in it. Damaged files may fill your computer due to an over protective antivirus suite or due to an update failure. Fortunately, you can resolve all these corrupt gaming files automatically with the help of a built in tool of Blizzard. Here are few instructions to run the Battle.net Repair tool.

  1. As you did earlier, navigate to the directory of the .exe setup file and select the Run as administrator option as shown.

  2. If you are prompted by User Account Control window, click on Yes to proceed.

  3. Now, switch to the Games tab at the top corner of the window and then select any one of the games from the list.

  4. Then, click on Options followed by Scan & Repair from the drop down list.

  5. In the next prompt, click on Begin scan and wait until the process gets completed.

  6. Finally, restart your game and check if you can fix Blizzard error code 2 on Battle.net

Method 3: Modify Windows Firewall Settings

You will also face Battle.net Update stuck at 0% issue, due to an over-reactive or over-protective antivirus suite in your Windows 10 computer. This prevents the connection link between the game launcher and the server. So, to fix this problem, you can whitelist Battle.net in your Firewall settings or disable the problem temporarily.

Option I: Whitelist Battle.net

To allow Battle.net in your Windows Defender Firewall, follow our guide Allow or Block Apps through the Windows Firewall and implement the steps as instructed.

Option II. Disable Firewall (Not Recommended)

If you do not know how to disable Windows Defender Firewall, our guide How to Disable Windows 10 Firewall will help you do so.

Also Read: Fix Avast Not Updating Virus Definitions

Option III: Create New Rule in Firewall

  1. Hit the Windows key and type Windows Defender Firewall with Advanced Security. Then, click on Open.

  2. Now, in the left pane, click on Inbound Rules as depicted.

  3. Then, in the right pane, click on New rule… as shown.

  4. Now, make sure you select the Program option under What type of rule would you like to create? menu and click on Next> as shown.

  5. Then, click on the Browse… button corresponding to This program path: as shown.

  6. Then, navigate to the C:\Program Files (x86)\ Battle.net path and double-click on setup file. Then, click on the Open button.

  7. Then, click on Next > in the New Inbound Rule Wizard window as shown.

  8. Now, select the radio button next to Allow the connection and click on Next > as depicted.

  9. Make sure Domain, Private, Public boxes are selected and click on Next > as shown.

  10. Finally, add a name to your new rule and click on Finish.

All done! Check if you have fixed battle.net update get stuck issue or not.

Method 4: Disable Antivirus Temporarily (If Applicable)

Some incompatible antivirus programs installed in your computer will cause trigger Blizzard error code 2. To avoid conflicts, you must ensure the security settings of your Windows 10 computer and check if they are stable or not. To find whether the antivirus suite is the reason for Battle.net Error #2, disable it once and try connecting to a network.

Read our guide on How to Disable Antivirus Temporarily on Windows 10 and follow the instructions to disable your Antivirus program temporarily on your PC.

If you have a fix for your problem after disabling the antivirus program in your computer, you are advised to uninstall the program completely from your PC.

Read our guide Force Uninstall Programs which won’t Uninstall In Windows 10 to uninstall your antivirus program in your computer.

Method 5: Create New User Profile

Creating a new user account can fix any profile-related errors and glitches. This helps you fix Battle.NET error code 2. You can create a new user profile by following the steps discussed in our guide, How to Create a Local User Account on Windows 10

After creating a new user profile, check if you have fixed the discussed issue or not.

Also Read: Fix WOW51900309 Error in Windows 10

Method 6: Reinstall Conflicting Battle.net Game

Any misconfigured files in Battle.net will lead to the discussed issue even if you have followed all the above-discussed methods and updated all the pending actions. So, in this case, you have no other option than to reinstall the game. Here is how you do it.

Note: Here, steps to reinstall World of Warcraft are demonstrated. Follow the steps according to your conflicting Battle.net game.

  1. Hit the Windows key and type apps and features. Then, click on Open.

  2. Now, search World of Warcraft in the list and click on it. Then, select the Uninstall option.

  3. If you are prompted, again click on Uninstall.

  4. Then, visit Blizzard official site to download World of Warcraft for Windows PC.

  5. Then, click on Download for Windows and wait until the game gets installed in your PC.

  6. Navigate to My downloads in File Explorer and double-click on the setup file to run the application.

  7. Follow the on-screen instructions to install the game in your Windows 10 PC.

  8. Finally, relaunch the game and now you will have fixed Battle.net Error #2.

Recommended:

  • Fix System Service Exception on Windows 10 or 11
  • Fix NVIDIA GeForce Not Compatible on Windows 10
  • Fix Battle.net Update Stuck at 0% in Windows 10
  • Fix Blizzard Another Installation in Progress in Windows 10

We hope that this guide was helpful, and you could fix Blizzard error code 2 in your system. Let us know which method worked for you the best. Also, if you have any queries/suggestions, then feel free to drop them in the comments section.