Fix: Battle.Net launcher not opening issue in Windows 11 / 10

Battle.Net is the famous launcher of Blizzard Entertainment that accumulates all your favorite COD games in one place. Whether you want to play WoW or the brand new COD Vanguard, you will need the Battle.Net launcher up and running on your system. So, what if this Battle.Net launcher is not opening on your system? Don’t worry. If the existing cache is too big, this problem may occur. There are some quick resolutions that you can use to fix this issue.


1. You can use the ethernet cable to plug your system directly into the modem. Then try to open the Battle.Net app.

2. Uninstall any third-party antivirus you are using.

Fix 1 – Delete the files

As we have mentioned, the cache file size may be the root cause of this issue.

1. At first, press the Windows key+X keys together.

2. Then, tap on the “Task Manager“.


Task Manager Min


3. Once the Task Manager opens up, look for the “Battle.Net” process.

4. Just right-click on that process and tap on “End task” to kill the process on your system.

Battle Net End Task Min


5. After that, scroll down and look for any other Battle.Net process.

6. If you see one, right-click on it and tap on “End task” to kill it.

This way, make sure all the Battle.Net processes are ended.

7. After this, press the Windows key+E keys together to open the File Explorer.

8. Once it opens up, go here –




If you can’t see the ‘ProgramData’ folder, follow these steps.

1. Once the File Explorer opens up, tap on the three-dot menu.

2. Then, click on the “Options“.


Options New Min


3. Now, in the ‘Folder Options’ window, click on the “View” section.

4. After that, toggle the radio button beside the option “Show hidden files, folders, and drives“.


Show Messages Min


5. Finally, click on “Apply” and “OK“.


Apply Ok Min



9. In the ProgramData folder, select the “” folder.

10. Then, tap on the bin icon on the menu bar to delete the folder from your system.


Battle Net Folder Del Min


After deleting the app, close the File Explorer.

Then, open the Batlle.Net app. It may run an update check and if it works.

Fix 2 – Delete the cache folder

If deleting the files doesn’t work out, try removing the Blizzard Entertainment folder.

1. Make sure that the app is not running on your system.

2. At first, press the Ctrl+Shift+Esc keys together.

3. When the Task Manager, right-click on any process and tap on “End task” to kill it.


Second End Task Min


4. After that, press the Windows key+R keys together.

5. Then, type “%programdata%” and click on “OK“.


Program Data Run Min


6. Next, choose “Blizzard Entertainment” in the list of apps.

7. After that, tap on the “Delete” icon to remove the folder.


Blizzard Flder Delete Min


Finally, close the File Explorer. Start the Battle.Net launcher on your system. It will download essential data files. It should work.


Fix 3 – Set the app to run in compatibility mode

You can set this app to run in compatibility mode.

1. At first, right-click on the “” app and tap on “Properties” to open it.


Battle Net Props Min


2. Then, go to the “Compatibility” tab.

3. After that, check the “Run this program in compatibility mode for:” option.

4. Then, choose the “Windows 8” from the drop-down list.


Windows 8 Min


5. Next, check the “Run this program as an administrator” box.

6. Finally, click on “Apply” and “OK” to save the settings.


Run This Program Apply Ok Min


Then, launch the Battle.Net app and then update the game if it needs. If this doesn’t work out, check if this works out.


Fix 4 – Switch On the Secondary Logon Service

This service is quite crucial for to operate smoothly.

1. Press the Windows key and type “services“.

2. Then, tap on the “Services” to access it.


Services New Min


3. When the Services opens up, scroll down to find the “Secondary Logon” service.

4. Then, double-click on it to access it.


Log On Props Dc Min


5. After that, click on the ‘Startup type:’ to “Automatic“.

6. Then, click on “Start” to start the service.


Secondary Log On Dc Min


7. Finally, tap on “Apply” and “OK“.


Apply Ok Min Min


Then, close the Services window. Reboot your system. You should be able to use normally.

Fix 5 – Run as admin

1 – Right click on shortcut and click Run as adminsitrator

Battle Net Admin Min

Fix 6 – Run Network commands

1 – Open search box and type cmd in it.

2 -Do a right click on command prompt icon and click run as administrator.

Cmd Admin 23 Min

3 – Now, run the codes give below One by one

netsh int ip reset c:\resetlog.txt
netsh winsock reset
ipconfig /flushdns

4 -Now, close the cmd window.

Fix 7 -Turn Off Proxy server

1 – Open RUN by pressing Windows key and R.

2 – Now, type INETCPL.CPL in it and click OK button.

Inet Cpl Cpl Min


3 – Click on Connections Tab.

4 – Now, click on Lan settings

Lan Settings 23 Min


5 – Now, select Automatically detect settings

6 – Next , Uncheck Use a proxy service for your LAN.

7- Click Ok

Proxy Settings Min

Now, try again

Fix 8 – Uninstall and reinstall client

If nothing is working out for you, uninstall the existing Battle.Net client and download-install the latest one.

Step 1 – Uninstall

1. At first, press the Windows key+R keys together.

2. Then, type “appwiz.cpl” and hit Enter.


Appwiz Min


3. When the Programs & Features window appears, right-click on the “” and tap on “Uninstall” to uninstall it from your system.


Battle Net Uninstall Min


4. Then, tap on “Yes, uninstall” to confirm your action.


Yes Uninstall Min


5. After that, open the File Explorer.

6. Then, go this way –



7. In the ProgramData folder, select the “” folder.

8. Then, tap on the bin icon on the menu bar to delete the folder from your system.


Battle Net Folder Del Min


After that, close the File Explorer.


Step 2 Download & Install

1. At first, open this link.

2. Then, tap on “Download for Windows” to download the app on your system.


Download Windows Min


3. After downloading the setup, double click on the ““.


Battle Net Dc Min


Follow these on-screen instructions to install the latest version of the client.

This time it will work just fine.


Fix 9 – Use the Clean boot mode

Another preferable approach to this issue, you can use the Clean boot mode.

1. At first, press the Windows key and type “msconfig“.

2. Then, click on the “System Configuration” to access it.


Msconfig Min


3. Now, go to the “General” tab.

4. After that, choose the “Selective startup” option.

5. Then, check the “Load system services” and the “Load startup items” options.

Selective Startup Min


5. After that, go to the “Services“.

6. Here, you have to check the “Hide all Microsoft services” box.

7. Next, click on the “Disable all“.


Disable All Min


This way, you have configured your system to start without any third-party apps.

8. Finally, click on “Apply” and then on “OK“.


Apply Ok Min

You will see a prompt has appeared to restart your machine.

9. Just, click on “Restart” to reboot your system immediately.


Restart Min


After the system restarts, open the launcher and check whether this works.

Your problem should be solved.