Many of you might struggle with can’t update World of Warcraft BLZBNTAGT00000840 error and the most common issue that causes this issue is the server problem. Updates are really essential to fix any bugs within the game that prevents you from enjoying it normally. If you are also struggling with the same issue on your Windows 10 PC, this guide will help you fix WoW error BLZBNTAGT00000840 error with its effective troubleshooting methods as discussed below.
How to Fix Can’t Update World of Warcraft BLZBNTAGT00000840 Error
There are so many reasons associated with WoW BLZBNTAGT00000840 on your Windows 10 PC. Yet, a few significant reasons are listed below.
- Battle.net lacks admin access.
- Corrupt data in the game installation folder.
- Editing permissions are missing.
- Antivirus program blocks a few features of the game or the game itself.
- Windows Defender Firewall is blocking the program.
- Outdated Operating System and PC drivers.
- Corrupt game data.
Now, move ahead to the next section to learn the troubleshooting methods for World of Warcraft BLZBNTAGT00000840. Read and implement the below-discussed methods in your Windows 10 computer for WOW Error code BLZBNTAGT00000840 fix and to prevent the same.
Método 1: Métodos básicos de resolución de problemas
Here are a few basic methods to fix the WOW error.
1A. Reinicie o PC
The general trick to resolve all the temporary glitches associated with World of Warcraft is to restart your computer. You can restart your PC by following the steps.
1. Vaia ao menú Usuario avanzado de Windows premendo o botón Windows e teclas X simultaneamente.
2. Seleccionar Apagar ou pechar sesión.
3. Finalmente, fai clic en Reinicia.
Once you have restarted your game, check if you can the game without any errors.
1B. Check Game Requirements
If you are facing a WOW BLZBNTAGT00000840 error on startup, you have to check the basic requirements of the game and ensure that your PC satisfies them.
Requisitos mínimos:
- CPU: Intel Core i5-760 ou AMD FX-8100 ou posterior
- VELOCIDADE DA CPU: Información
- RAM: 4 GB de RAM (8 GB para gráficos integrados como Intel HD Graphics)
- OS: Windows 7 / Windows 8 / Windows 10 de 64 bits
- TARXETA DE VIDEO: NVIDIA GeForce GTX 560 2GB ou AMD Radeon HD 7850 2GB ou Intel HD Graphics 530 (45W)
- SOMBRADOR DE PIXEL: 5.0
- TONOS VÉRTICES: 5.0
- ESPAZO LIBRE EN DISCO: 70 GB
- RAM DE VIDEO DEDICADA: 2 GB
Requisitos recomendados:
- CPU: Intel Core i7-4770 ou AMD FX-8310 ou posterior
- VELOCIDADE DA CPU: Información
- RAM: 8 GB
- OS: Windows 10 64 bits
- TARXETA DE VIDEO: NVIDIA GeForce GTX 960 ou AMD Radeon R9 280 ou posterior
- SOMBRADOR DE PIXEL: 5.1
- TONOS VÉRTICES: 5.1
- ESPAZO LIBRE EN DISCO: 70 GB
- RAM DE VIDEO DEDICADA: 4 GB
1C. Asegurar a conexión de rede correcta
Unstable internet connection leads to BLZBNTAGT00000840 error , 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.
Podes executar un Speedtest para coñecer o nivel óptimo de velocidade da rede necesaria para a conexión correcta.
Asegúrate de que o teu dispositivo cumpra os seguintes criterios.
- Busca a intensidade do sinal da túa rede e, se é moi baixa, elimina todas as obstáculos que hai entre o camiño.
- Evite demasiados dispositivos conectados á mesma rede.
- Compre sempre un módem/enrutador verificado polo seu provedor de servizos de Internet (ISP) e non teña conflitos.
- Non usar cables vellos, rotos ou danados. Substitúe os cables se é necesario.
- Asegúrese de que os cables do módem ao enrutador e do módem á parede estean estables e non perturbados.
Se hai algún problema de conexión a Internet, consulte a nosa guía Como solucionar problemas de conectividade de rede en Windows 10 para solucionar o mesmo.
1D. Pechar procesos en segundo plano
Several users have confirmed that WOW error BLZBNTAGT00000840 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 error code BLZBNTAGT00000840 in WOW.
1E. Reparar ficheiros do sistema
If there are any missing or damaged files on your Windows 10 PC, you will face WOW error BLZBNTAGT00000840 . Yet, you are repairing these corrupt files by using inbuilt utilities namely, Comprobador de ficheiros do sistema Servizo de xestión e xestión de imaxes. Lea a nosa guía sobre Como reparar ficheiros do sistema en Windows 10 e siga os pasos que se indican para reparar todos os seus ficheiros corruptos.
Ler tamén: Como descargar Hextech Repair Tool
1F. Executa a limpeza completa do disco
Few users have suggested that clearing some disk space in PC has helped them sort out WOW error code BLZBNTAGT00000840. 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 discussed error code in WOW, follow our guide 10 Ways to Free Up Hard Disk Space On Windows that helps you clear all unnecessary files in your computer.
1G. Actualizar 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 WOW game server without any errors.
1H. Actualizar controladores de gráficos
World of Warcraft, being a graphical intensive game, your graphics driver is essential important for your gaming experience. 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 have fixed WOW error BLZBNTAGT00000840.
1I. Roll Back GPU Drivers
Sometimes, the current version of GPU drivers may cause WOW error BLZBNTAGT00000840 and in this case, you have to restore previous versions of installed drivers. This process is called retroceso de controladores e podes recuperar facilmente os controladores do teu ordenador ao seu estado anterior seguindo a nosa guía Como recuperar os controladores en Windows 10.
Ler tamén: Como saber se a túa tarxeta gráfica está morrendo
1J. Reinstalar controladores gráficos
If you still face BLZBNTAGT00000840 error 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 World of Warcraft without any errors.
1K. Borrar datos e caché DNS
Few users have suggested that clearing the DNS cache and data on your PC has helped them fix BLZBNTAGT00000840 error code. Follow our guide on how to flush and reset the DNS Cache in Windows 10.
Method 2: Run Blizzard Battle.net as Administrator
This is one of the most common reasons that cause BLZBNTAGT00000840 in your Windows 10 PC. Certain permissions and features can only be accessed if you have granted admin rights to the World of Warcraft game. In this scenario, you can fix WOW error code BLZBNTAGT00000840 by following the below-listed instructions.
1. Fai clic co botón dereito no botón World of Warcraft atallo on the desktop or navigate the directorio de instalación e faga clic co botón dereito sobre el.
2. Agora, seleccione o Propiedades opción.
3. Despois, cambia ao Compatibilidade e marque a caixa Executa este programa como administrador.
4. Finalmente, fai clic en Aplicar> Aceptar para gardar os cambios.
Ler tamén: Corrixir WoW tarda unha eternidade en lanzarse en Windows 10
Method 3: Rename Cache, Interface and WTF Folders
There are few gaming files residing in folders like Cache, Interface and WTF that are responsible to store the basic information on the game, progress, and settings. If they are corrupt, you will face can’t update World of Warcraft. So, you are advised to rename the folders and check if it works.
1. Close all processes running in the background as instructed in the above method and press Teclas Windows + E xuntos para abrir Explorador de ficheiros.
2. Now, navigate to following camiño como se representa.
C:Program Files (x86)World of Warcraft
3. Now, find the following folders and right-click on them. Then, select Rebatizar como se mostra.
4. Now, rename the folders to something like Cacheold, Interfaceold, WTFold respectivamente.
Once you have renamed these folders, relaunch the game and check if you can fix error code BLZBNTAGT00000840 in your Windows 10 PC.
Method 4: Delete WOW Cache Folder
Several users face BLZBNTAGT00000840 during the startup and this issue could be resolved when the cache folder is removed completely from your computer. All the temporary files of the game will be deleted and the next successive startup will launch the game without any errors. If renaming the folders doesn’t work for you, the below-listed instructions will help you do so.
1. Desprácese ata a World of Warcraft cartafol.
2. A continuación, fai clic co botón dereito sobre Escondite cartafol e seleccione o Borrar opción como se mostra.
Ler tamén: Fix WOW High Latency But Internet is Fine in Windows 10
Method 5: Disable Read-Only Attribute
The World of Warcraft game will run without any errors when you have granted proper custom attributes settings in UAC (User Account Control). If in case, the game and its components has only read-only components, you cannot modify or update World of Warcraft. This results in can’t update World of Warcraft on your PC. In this event, change the read-only attribute for the game as instructed below.
1. Lanzamento Explorador de ficheiros e desprácese ata World of Warcraft cartafol.
2. Agora, fai clic co botón dereito sobre Wow.exe setup file and select the Propiedades opción.
3. Agora, cambia ao xeral tab and uncheck the box next to Só lectura preto de Atributos sección como se mostra.
4. A continuación, fai clic en Aplicar> Aceptar para gardar os cambios.
Método 6: executa a ferramenta de reparación de Blizzard
If you still couldn’t fix Can’t Update World of Warcraft error BLZBNTAGT00000840, 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. Go to the directory of the Wow.exe setup file and select the Executar como administrador opción como se mostra.
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 World of Warcraft da lista.
4. A continuación, faga clic en Opcións seguido de Scan & Repair from the drop down list.
5. In the next prompt, click on Begin scan e agarda ata que se complete o proceso.
Finally, restart your game and check if you can fix BLZBNTAGT00000840 error code.
Ler tamén: Corrixir que Avast non actualiza as definicións de virus
Método 7: modifique a configuración do firewall de Windows Defender
You will also face can’t update World of Warcraft, 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 World of Warcraft in your Firewall settings or disable the problem temporarily.
Option I: Whitelist World of Warcraft
To allow World of Warcraft in your Windows Defender Firewall, follow our guide Allow or Block Apps through the Windows Firewall and implement the steps as instructed.
Opción II: desactivar o firewall (non recomendado)
Se non sabes como desactivar o Firewall de Windows Defender, a nosa guía Como desactivar o Firewall de Windows 10 axudarache a facelo.
Opción III: Crear unha nova regra no Firewall
Follow our guide How to Add Windows Firewall Rule and check if you have fixed error code BLZBNTAGT00000840 in WOW is fixed or not.
Método 8: desactivar temporalmente o antivirus (se é o caso)
Some incompatible antivirus programs installed in your computer will cause BLZBNTAGT00000840. 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 the discussed WOW error code, disable it once and try connecting to a network.
Lea a nosa guía sobre Como desactivar temporalmente o antivirus en Windows 10 e siga as instrucións para desactivar temporalmente o seu programa antivirus no seu PC.
Se ten unha solución para o seu problema despois de desactivar o programa antivirus no seu ordenador, recoméndase que desinstale o programa completamente do seu PC. Lea a nosa guía Forzar a desinstalación de programas que non se desinstalan en Windows 10 para desinstalar o seu programa antivirus no seu ordenador.
Ler tamén: Corrixir outra instalación de Blizzard en curso en Windows 10
Method 9: Reinstall World of Warcraft
Any misconfigured files in World of Warcarft will lead to can’t update World of Warcraft BLZBNTAGT00000840 error 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.
1. Bate o Tecla Windows e escribe aplicacións e funcións, entón fai clic en aberto.
2. Agora, busca World of Warcraft in the list and click on it. Then, select the Uninstall opción.
3. If you are prompted, again click on Uninstall.
4. Agora, visita o Blizzard official siteE prema en World of Warcraft.
5. A continuación, fai clic en Descarga para Windows option and wait until the game gets installed on your PC.
6. Navega ata As miñas descargas in File Explorer and double-click on the setup file to run the application.
7. Siga o instrucións na pantalla to install the game on your Windows 10 PC
Finally, relaunch the game and now you will have fixed WOW error code BLZBNTAGT00000840.
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Agardamos que esta guía fose útil e que poidas corrixir can’t update World of Warcraft BLZBNTAGT00000840 error. 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.