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The Battle.net Error # 2 error usually occurs when some users try to join online sessions with Blizzard games such as Diablo 2, Word of Warcraft, Overwatch, or Starcraft after viewing them through their Battle owner. Net-Launcher launched.
Check the status of Battle.Net servers
Before moving on to any other fixes that might fix this issue, the first thing you should do is make sure you aren’t running into a server issue that is out of your control. If multiple games released by Blizzard are currently affected by the same Battle.net Error # 2, it is likely that they are currently experiencing a server crash or are in the middle of a maintenance period.
If you think this might be the case, first of all, check to see if anyone else is playing the same games that you are having the same problems. You can use services like DownDetector or Outage.Report to find the game you are having problems with (e.g. Overwatch, Starcraft, Word of Warcraft, Diablo 2, etc.) and see if there are other users in your region will also face the same error code.
Change region (if there are problems with the server with individual games)
If the issue is related to only one Blizzard game and all other games from this developer are working fine, the issue may be related to server issues related to that game only. In this case, the best solution would be to change the server region for this game. Here’s how you can do it:
- Launch the Battle.Net app on your PC and click your username.
- From the menu that appears, select Exit.
- Once you log out of your account, you will be taken to the login page. In the upper left corner, click on the server selection option.
- This time, select a server region other than the one originally selected.
- Once that’s done, log in with your credentials and see if Blizzard Games Battle.net bug # 2 has been fixed or not.
Clean up Blizzard installation files
- Once uninstalled, open File Explorer and navigate to the following location:
- C: \ ProgramData
- Find the Battle.net or Blizzard folder.
- Right-click the folder and select Delete.
- Press Windows Key + R to open Run.
- Type% AppData% and press Enter.
- In the Roaming folder, find and delete the Battle.net or Blizzard folders.
- After deleting all folders, reinstall the Blizzard app.
- Open Blizzard’s link and download the latest app.
- Double click the installer to install the application.
- When installing, be sure to select the Windows installation directory (in most cases C: /) as the installation path.
- Run the app and try to connect.
Reinstalling the Blizzard app should be the only way to fix the unexpected error. Be sure to install the Blizzard app in your root directory, however, so the app doesn’t throw an error again.
Blizzard Game Repair
Corrupted and damaged game files can cause many problems and errors. Use a recovery tool to fix these problems.
- Open the Blizzard Battle.net desktop app.
- Click on the icon for the game you want to fix.
- Click under the name of the game and select “Scan and Repair”.
- Click Start Analysis.
- Wait for the repair to complete.
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