How To Fix Battle.net BLZBNTBNA00000012 Error

Battle.net users are restricted from accessing the program by encountering the error "An Error Has Occurred While Launching The Game. Please Check for updates or  scan and repair to fix this issiue. BLZBNTBNA00000012" within the application. If you are facing suchaproblem and you have no idea what to do, you can reach the solution by following the suggestions we will leave below.

What is Battle.net BLZBNTBNA00000012 Error?

/p> The error "An Error Has Occurred While Launching The Game. Please Check for updates or  scan and repair to fix this issiue. BLZBNTBNA00000012" that

Battle.net users encounter in the application is caused byaconnection or cache problem. Your access to the program is restricted. For this, we will try to solve it by telling youafew suggestions.

How To Fix Battle.net BLZBNTBNA00000012 Error

To fix this error, you can find the solution to the problem by following the suggestions below.

1-) Check Servers

Application developers' maintenance of the application may cause such problems. For this, we can understand what is causing the problem by checking the servers. Of course, not only due to the maintenance of the application, but also the crash of the servers may cause us to encounter this problem.

We can monitor Battle.net servers using the DownDetector site to control them.

Check Servers from DownDetector Status Page.

We can check the servers by accessing thelink we left above. You can see server or other maintenance by checking the Twitter page where Battle.net developers are currently sharing so that we can instantly check the maintenance of the servers.

Check Blizzard Twitter Official Account.

2-) Change Game Region

The fact that the server you are connected to is under maintenance may cause you to encounter many error codes. What we need to do for this is to try to access it by changing the game region.

• To change the game region, first run Battle.net.
• Then click on the game you want to enter and click on the "Sphere" icon below.
• Select any of thelisted servers and check if the issue persists.

/p>

3-) Move Game to Different Disk

If there are no problems with the servers, you can try to move the game files toadifferent disk. This may be due to the Battle.net application not being able to read the game folder or the administrator permission not being granted.

After moving the game files toadifferent disk, open the Battle.net application and try to run it. After this process, the Battle.net application will scan the game folder and scan and check on which disk it is installed. You will have to wait as the scanning process will take some time.

4-) Restart Your Modem

Refresh your internet by turning your modem device off and on again. After the modem restarts, close and reopen the Battle.net application completely and check if the problem persists.

5-) Register Another DNS Server

We can eliminate the problem by registering another dns server on the computer.

• Open Control Panel and select Network and Internet
• Open Network and Sharing Center on the screen that opens.
• Click on Change adapter settings on the left.
• Right-click on your Connection Type to open the Properties menu.
• Double-click Internet Protocol Version 4 (TCP /IPv4).
• Let's apply the settings by typing the Google DNS server we will give below.
  • Preferred DNS server: 8.8.8.8
  • Other DNS server: 8.8.4.4
• Then click on Verify settings on exit option and press OK button to perform the actions.

After doing this, let's move on to the next suggestion.

6-) Check Your Connection

The problem with the internet connection can cause many errors. If your internet connection is slowing down or disconnected, let's giveafew suggestions to fix it.

• If your internet speed is slowing down, turn your modem off and then on again. This process will relieve your internet alittle bit.
• We can eliminate the problem by clearing the Internet cache.

Clear DNS Cache

• Type "cmd" in the start search screen and run it as administrator.
• Command prompt screen by typing the followinglines of code one after the other and press enter.
  • ipconfig /flushdns
  • netsh int ipv4 reset
  • netsh int ipv6 reset
  • netsh winhttp reset proxy
  • netsh winsock reset
  • ipconfig /release
  • ipconfig /renew
  • ipconfig /registerdns
  • netsh interface tcp reset
  • netsh int ip reset
  • netsh int tcp set global autotuninglevel=normal
• After this operation, it will show that your dns cache and proxies have been cleared successfully.

After this process, restart the computer and run the Battle.net program and check if the problem persists. If the problem persists, let's move on to another suggestion.

7-) Clear Battle.net Cache

The problem with the Battle.net cache can cause many errors. For this, we can check if the problem persists by clearing the cache files.

• Type "Run" into the start search screen and open it.
• Type "C:\ProgramData\" on the screen that opens and press enter.
• Delete the "Battle.net" and "Blizzard Entertainment" folders on the new window screen.

After performing this operation, run Battle.net as an administrator and check if the problem persists.

8-) Run as Administrator

The application's failure to run with administrator rights may cause us to encounter various errorslike this. For this, close the Battle.net program completely and run it as an administrator and check if the problem persists.

9-) Turn off Antivirus Program

Disable any antivirus program you use, or delete it completely from your computer. If you are using Windows Defender, disable it. For this;

• Open the start search screen.
• Open the search screen by typing "Windows security settings".
• Click on "Virus and Threat Protection" on the screen that opens.
• Click on "Ransomware Protection" in the menu.
• Turn off "Controlled Folder Access" on the screen that opens.

After this, let's turn off real-time protection.

• Type "virus and threat protection" into the start search screen and open it.
• Then click on "Manage settings".
• Turn Real-time protection to "Off".

After performing this operation, we will need to add the Battle.net folder as an exception.

• Type "virus and threat protection" into the start search screen and open it.
Under
• Virus and threat protection settings, select Manage settings, and then under Exclusions Exclude select add or remove.
• Select Add an exclusion, and then select the Battle.net folder saved to your disk.

After this process, run Battle.net and check if the problem persists.

Yes, friends, we have solved our problem under this title. If your problem persists, you can ask about the errors you encounter by entering our FORUM platform.