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.
Méthode 1 : méthodes de dépannage de base
Here are a few basic methods to fix the WOW error.
1A. Redémarrer le 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. Accédez au menu Windows Power User en appuyant sur le bouton Touches Windows et X en même temps.
2 Sélectionner Fermer ou se déconnecter.
3. Enfin, cliquez sur Redémarrer.
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.
Exigences minimales:
- Processeur: Intel Core i5-760 or AMD FX-8100 or later
- VITESSE CPU: Info
- RAM: 4 GB RAM (8GB for integrated graphics such as Intel HD Graphics)
- OS: Windows 7 / Windows 8 / Windows 10 64 bit
- CARTE VIDÉO: NVIDIA GeForce GTX 560 2 Go ou AMD Radeon HD 7850 2 Go ou Intel HD Graphics 530 (45 W)
- OMBRE DE PIXELS: 5.0
- OMBRAGE VERTEX: 5.0
- ESPACE DISQUE LIBRE: 70 Go
- RAM VIDÉO DÉDIÉE: 2 Go
Configuration recommandée:
- Processeur: Intel Core i7-4770 or AMD FX-8310 or later
- VITESSE CPU: Info
- RAM: 8 Go
- OS: Windows 10 64 bits
- CARTE VIDÉO: NVIDIA GeForce GTX 960 or AMD Radeon R9 280 or later
- OMBRE DE PIXELS: 5.1
- OMBRAGE VERTEX: 5.1
- ESPACE DISQUE LIBRE: 70 Go
- RAM VIDÉO DÉDIÉE: 4 Go
1C. Ensure Proper Network Connection
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.
Vous pouvez exécuter un Speedtest pour connaître le niveau optimal de vitesse du réseau requis pour une connexion correcte.
Assurez-vous que votre appareil répond aux critères ci-dessous.
- Trouvez la force du signal de votre réseau et si elle est très faible, éliminez tous les obstacles qui se trouvent entre les deux.
- Évitez trop d’appareils connectés au même réseau.
- Achetez toujours un modem/routeur vérifié par votre fournisseur d'accès Internet (FAI) et ils sont exempts de conflits.
- Ne pas utiliser câbles anciens, cassés ou endommagés. Remplacez les câbles si nécessaire.
- Assurez-vous que les fils du modem au routeur et du modem au mur sont stables et hors de toute perturbation.
S'il y a des problèmes de connectivité Internet, consultez notre guide Comment résoudre les problèmes de connectivité réseau sous Windows 10 pour résoudre le problème.
1D. Fermer les processus en arrière-plan
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. Repair System Files
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, Vérificateur des fichiers système ainsi que Gestion et maintenance des images de déploiement. Lisez notre guide sur la façon de réparer les fichiers système sous Windows 10 et suivez les étapes indiquées pour réparer tous vos fichiers corrompus.
Lisez aussi: Comment télécharger l'outil de réparation Hextech
1F. Run Full Disk Cleanup
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. Mettre à jour 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. Update Graphics Drivers
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 restauration des pilotes et vous pouvez facilement restaurer les pilotes de votre ordinateur à leur état précédent en suivant notre guide Comment restaurer les pilotes sous Windows 10.
Lisez aussi: Comment savoir si votre carte graphique est en train de mourir
1J. Reinstall Graphics Drivers
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. Clear DNS Cache & Data
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. Faites un clic droit sur le World of Warcraft raccourci sur le bureau ou parcourez le répertoire d'installation et faites un clic droit dessus.
2. Maintenant, sélectionnez le Propriétés option.
3. Ensuite, passez au Compatibilité onglet et cochez la case Exécuter ce programme en tant qu'administrateur année.
4. Enfin, cliquez sur Appliquer> OK pour enregistrer les modifications.
Lisez aussi: Fix WoW Takes Forever to Launch in 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 Touches Windows + E ensemble pour ouvrir Explorateur de fichiers.
2. Now, navigate to following chemin tel que représenté.
C: Fichiers de programme (x86) World of Warcraft
3. Now, find the following folders and right-click on them. Then, select renommer comme montré.
4. Now, rename the folders to something like Cacheold, Interfaceold, WTFold respectivement.
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. Naviguez vers le World of Warcraft dossier.
2. Ensuite, faites un clic droit sur Cache dossier et sélectionnez le Supprimer option comme indiqué.
Lisez aussi: Correction de la latence élevée de WOW mais Internet fonctionne bien dans 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. lancement Explorateur de fichiers et naviguez jusqu'à World of Warcraft dossier.
2. Maintenant, faites un clic droit sur Wow.exe setup file and select the Propriétés option.
3. Maintenant, passez au Général et décochez la case à côté de Lecture seule à côté de Attributs section comme indiqué.
4. Cliquez ensuite sur Appliquer> OK pour enregistrer les modifications.
Method 6: Run Blizzard Repair Tool
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 Exécuter en tant qu'administrateur option comme indiqué.
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 de la liste.
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.
Finally, restart your game and check if you can fix BLZBNTAGT00000840 error code.
Lisez aussi: Correction d'Avast ne mettant pas à jour les définitions de virus
Méthode 7 : modifier les paramètres du pare-feu 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.
Option II : désactiver le pare-feu (non recommandé)
Si vous ne savez pas comment désactiver le pare-feu Windows Defender, notre guide Comment désactiver le pare-feu Windows 10 vous aidera à le faire.
Option III : Créer une nouvelle règle dans le pare-feu
Follow our guide How to Add Windows Firewall Rule and check if you have fixed error code BLZBNTAGT00000840 in WOW is fixed or not.
Méthode 8 : désactiver temporairement l’antivirus (le cas échéant)
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.
Lisez notre guide sur Comment désactiver temporairement l'antivirus sur Windows 10 et suivez les instructions pour désactiver temporairement votre programme antivirus sur votre PC.
Si vous avez résolu votre problème après avoir désactivé le programme antivirus sur votre ordinateur, il est conseillé de désinstaller complètement le programme de votre PC. Lisez notre guide Forcer la désinstallation des programmes qui ne se désinstallent pas sous Windows 10 pour désinstaller votre programme antivirus sur votre ordinateur.
Lisez aussi: Réparer Blizzard Une autre installation en cours dans 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. Frappez le Touche Windows et le type applications et fonctionnalités, puis cliquez sur Ouvert.
2. Maintenant, recherchez World of Warcraft dans la liste et cliquez dessus. Ensuite, sélectionnez le Désinstaller option.
3. Si vous y êtes invité, cliquez à nouveau sur Désinstaller.
4. Maintenant, visitez le Site officiel de Blizzard, Et cliquez sur World of Warcraft.
5. Cliquez ensuite sur Télécharger pour Windows option and wait until the game gets installed on your PC.
6. Aller vers Mes téléchargements dans l'Explorateur de fichiers et double-cliquez sur le setup file pour exécuter l'application.
7. Suivre la instructions à l'écran to install the game on your Windows 10 PC
Finally, relaunch the game and now you will have fixed WOW error code BLZBNTAGT00000840.
Recommandée:
Nous espérons que ce guide vous a été utile et que vous pourrez résoudre 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.