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.
Metudu 1: Metodi di risoluzione di prublemi di basa
Here are a few basic methods to fix the WOW error.
1A. Riavvia u 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. Navigate à u menù Windows Power User da appughjà u Windows è tasti X simultaneamente.
2. Select Spegni o scunnettate vi.
3. Infine, cliccate nant'à Restart.
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.
Requisiti minimi:
- CPU: Intel Core i5-760 o AMD FX-8100 o più tardi
- VELOCITÀ CPU: Info
- RAM: 4 GB RAM (8 GB per gràfiche integrate cum'è Intel HD Graphics)
- OS: Windows 7 / Windows 8 / Windows 10 64 bit
- SCHEDA VIDEO: NVIDIA GeForce GTX 560 2GB o AMD Radeon HD 7850 2GB o Intel HD Graphics 530 (45W)
- PIXEL SHADER: 5.0
- VERTEX SHADER: 5.0
- SPAZU DISKU GRATUITU: 70 GB
- VIDEO RAM DEDICATA: 2 GB
Requisiti consigliati:
- CPU: Intel Core i7-4770 o AMD FX-8310 o più tardi
- VELOCITÀ CPU: Info
- RAM: 8 GB
- OS: Windows 10 64 bit
- SCHEDA VIDEO: NVIDIA GeForce GTX 960 o AMD Radeon R9 280 o più tardi
- PIXEL SHADER: 5.1
- VERTEX SHADER: 5.1
- SPAZU DISKU GRATUITU: 70 GB
- VIDEO RAM DEDICATA: 4 GB
1C. Assicurà a cunnessione di a reta propria
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.
Pudete eseguisce a Speedtest per sapè u livellu ottimale di velocità di rete necessaria per a cunnessione propria.
Assicurà chì u vostru dispusitivu satisface i criteri sottu.
- Truvate a forza di u signale di a vostra reta è s'ellu hè assai bassu, sguassate tutte l'obstruczioni trà a strada.
- Evite troppu dispusitivi cunnessi à a stessa reta.
- Cumprate sempre un modem / router verificatu da u vostru Internet Service Provider (ISP) è sò liberi di cunflitti.
- Ùn aduprate micca cavi vecchi, rotti o danneggiati. Sustituite i cables se ne necessariu.
- Assicuratevi chì i fili da u modem à u router è u modem à u muru sò stabile è fora di disturbu.
Se ci sò prublemi di cunnessione Internet, verificate a nostra guida Cumu risolve i prublemi di cunnessione di a rete in Windows 10 per risolve u listessu.
1D. Chiudi i prucessi di fondo
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. Ripara i schedarii di u 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, Sistema di Verificante di Schedariu e Implacement Image Servicing and Management. Leghjite a nostra guida nantu à Cumu riparà i schedarii di u sistema in Windows 10 è seguite i passi cum'è urdinatu per riparà tutti i vostri fugliali currutti.
Also Read: Cumu scaricà Hextech Repair Tool
1F. Eseguite Pulizia di u discu Full
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. Aghjurnate 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. Aghjurnate i Driver di Grafica
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 rollback di i cunduttori è pudete facilmente rinvià i vostri drivers di l'urdinatore à u so statu precedente seguitendu a nostra guida Cume Rollback Drivers in Windows 10.
Also Read: Cumu sapè se a vostra carta grafica mori
1J. Reinstalla i Drivers Grafica
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. Sguassà a cache DNS è i dati
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. Cliccate cù u dirittu nantu à u World of Warcraft scurciatoia on the desktop or navigate the cartulare di stallazione è fate cliccate dirittu nantu à questu.
2. Avà, selezziunà u Joint funziunalità.
3. Allora, cambià à u Vincenti tab è verificate a casella Eseguite stu prugrammu cum'è amministratore.
4. Infine, cliccate nant'à Dumandà> OK per salvà i cambiamenti.
Also Read: Fix WoW Prend 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 Tasti Windows + E inseme per apre File Explorer.
2. Now, navigate to following strada cum'è illustratu.
C:Program Files (x86)World of Warcraft
3. Now, find the following folders and right-click on them. Then, select Rename cum'è mostratu.
4. Now, rename the folders to something like Cacheold, Interfaceold, WTFold rispittivamenti.
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. Navigate à a World of Warcraft cartulare.
2. Allora, right-click nant'à cupertine, iamme cartulare è sceglie u cancillari opzione cum'è mostra.
Also Read: Fix WOW High Latency Ma Internet hè bè 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. Launch File Explorer and navigate World of Warcraft cartulare.
2. Avà, right-cliccate nant'à Wow.exe setup file and select the Joint funziunalità.
3. Avà, cambià à u General tab and uncheck the box next to Solu di leghje accantu à in preghiera sezione cum'è mostra.
4. Allora, cliccate nant'à Dumandà> OK per salvà i cambiamenti.
Metudu 6: Eseguite 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 Executà cum'è amministratore opzione cum'è 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 a lista.
4. Allora, cliccate nant'à Opzioni seguita da Scan & Repair from the drop down list.
5. In the next prompt, click on Begin scan è aspettate finu à chì u prucessu hè finitu.
Finally, restart your game and check if you can fix BLZBNTAGT00000840 error code.
Also Read: Fix Avast ùn aghjurnà micca e definizione di virus
Metudu 7: Mudificà l'Configurazione di u Firewall di 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.
Opzione II: Disattivà u Firewall (micca cunsigliatu)
Se ùn sapete micca cumu disattivà Windows Defender Firewall, a nostra guida How to Disable Windows 10 Firewall vi aiuterà à fà.
Opzione III: Crea una nova regula in 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.
Metudu 8: Disattivà temporaneamente l'antivirus (se applicabile)
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.
Leghjite a nostra guida nantu à Cumu disattivà l'antivirus temporaneamente in Windows 10 è seguite l'istruzzioni per disattivà u vostru prugramma Antivirus temporaneamente in u vostru PC.
Sè avete una correzione per u vostru prublema dopu avè disattivatu u prugramma antivirus in u vostru urdinatore, vi cunsigliu di disinstallà u prugramma cumpletamente da u vostru PC. Leghjite a nostra guida Force Uninstall Programmi chì ùn disinstallanu micca in Windows 10 per disinstallà u vostru prugramma antivirus in u vostru urdinatore.
Also Read: Fix Blizzard Un'altra installazione in corso in 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. Colpite u Windows key è tipu app è funziunalità, dopu cliccate Open.
2. Avà, cerca World of Warcraft in a lista è cliccate nantu. Allora, selezziunate u Uninstall funziunalità.
3. Sè vo sò dumandatu, torna cliccate nant'à Uninstall.
4. Avà, visita u Blizzard official site, è cliccate nantu World of Warcraft.
5. Allora, cliccate nant'à Scaricate per Windows option and wait until the game gets installed on your PC.
6. Navigate à I mo scaricamenti in File Explorer and double-click on the setup file to run the application.
7. Seguitate u struzzioni nantu à u screnu to install the game on your Windows 10 PC
Finally, relaunch the game and now you will have fixed WOW error code BLZBNTAGT00000840.
ricumandatu:
Speremu chì sta guida hè stata utile è pudete riparà 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.