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.
Fomba 1: Fomba famahana olana fototra
Here are a few basic methods to fix the WOW error.
1A. Avereno indray ny 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. Mankanesa any amin'ny menio Windows Power User amin'ny fanindriana ny Windows sy X fanalahidy indray miaraka.
2. Select Mihidy na midino.
3. Farany, tsindrio ny Haverina velomina.
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.
Minimum Requirements:
- Unité centrale: Intel Core i5-760 na AMD FX-8100 na aoriana
- HAINGANA CPU: Info
- ram: 4 GB RAM (8 GB ho an'ny sary mitambatra toy ny Intel HD Graphics)
- OS: Windows 7 / Windows 8 / Windows 10 64 bit
- KARATRA VIDEO: NVIDIA GeForce GTX 560 2GB na AMD Radeon HD 7850 2GB na Intel HD Graphics 530 (45W)
- PIXEL SHADERS: 5.0
- VERTEX SHADER: 5.0
- Espace DISK MAIMAIMPOANA: 70 GB
- VIDEO RAM: 2 GB
Ireo fepetra takiana:
- Unité centrale: Intel Core i7-4770 na AMD FX-8310 na aoriana
- HAINGANA CPU: Info
- ram: 8 GB
- OS: Windows 10 64-bit
- KARATRA VIDEO: NVIDIA GeForce GTX 960 na AMD Radeon R9 280 na aoriana
- PIXEL SHADERS: 5.1
- VERTEX SHADER: 5.1
- Espace DISK MAIMAIMPOANA: 70 GB
- VIDEO RAM: 4 GB
1C. Hamarino tsara ny fifandraisana amin'ny tambajotra
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.
Afaka mihazakazaka a Speedtest hahafantarana ny haavon'ny hafainganam-pandehan'ny tambajotra ilaina amin'ny fifandraisana mety.
Ataovy azo antoka fa mahafeno ireto fepetra manaraka ireto ny fitaovanao.
- Tadiavo ny tanjaky ny tambajotranao ary raha ambany dia ambany, esory ny sakana rehetra eo anelanelan'ny lalana.
- Fadio ny fitaovana maro be mifandray amin'ny tambazotra iray ihany.
- Mividiana modem/router nohamarinin'ny Internet Service Provider (ISP) anao foana ary tsy misy fifandirana.
- Aza mampiasa tariby tonta, tapaka na simba. Soloy ny tariby raha ilaina.
- Ataovy azo antoka fa milamina sy tsy misy korontana ny tariby avy amin'ny modem mankany amin'ny router sy ny modem mankany amin'ny rindrina.
Raha misy olana amin'ny fifandraisana amin'ny Internet, jereo ny torolàlana momba ny fomba hamahana ny olana momba ny fifandraisana amin'ny tambajotra Windows 10 mba hamahana olana mitovy.
1D. Akatona ny fizotran'ny background
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, System File Checker ary Fametrahana sary fanompoana sy fitantanana. Read our guide on How to Repair System Files on Windows 10 and follow the steps as instructed to repair all your corrupt files.
Vakio ihany koa: Ahoana ny fametrahana Hextech Repair Tool
1F. Manaova fanadiovana kapila feno
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. Fanavaozana ny 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. Fanavaozana ny mpamily sary
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 famerenana ny mpamily ary azonao atao ny mamerina mora foana ny mpamily solosainao amin'ny fanjakana teo aloha amin'ny alàlan'ny fanarahana ny torolàlana momba ny fomba hamerenana ny mpamily Windows 10.
Vakio ihany koa: Ahoana no ahafantarana raha maty ny karatrao
1J. Avereno amboary ny mpamily Graphics
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. Hamafa 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. Kitiho havanana amin'ny World ny Warcraft hitsin on the desktop or navigate the lahatahiry fametrahana ary tsindrio havanana eo.
2. Ankehitriny, fidio ny Properties safidy.
3. Avy eo, midira amin'ny mifanentana tabilao ary jereo ny boaty Ampandehano amin'ny maha mpitantana ity programa ity.
4. Farany, tsindrio ny Ampiharo> OK hamonjy ireo fanovana.
Vakio ihany koa: 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 Windows + E fanalahidy miaraka manokatra File Explorer.
2. Now, navigate to following lalana araka ny aseho.
C: Program Files (x86) World of Warcraft
3. Now, find the following folders and right-click on them. Then, select Hanova anarana araka ny aseho.
4. Now, rename the folders to something like Cacheold, Interfaceold, WTFold tsirairay avy.
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. Mizotra mankany amin'ny World ny Warcraft fampirimana.
2. Avy eo, tsindrio havanana amin'ny fonony folder ary safidio ny Fafao safidy araka ny aseho.
Vakio ihany koa: Fix WOW High Latency Fa ny Internet dia tsara 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. fandefasana File Explorer ary mandehana mankany World ny Warcraft fampirimana.
2. Ankehitriny, tsindrio havanana amin'ny Wow.exe setup file and select the Properties safidy.
3. Ankehitriny, mifamadika amin'ny General tab and uncheck the box next to Vakio ihany eo akaikin'ny toetra fizarana araka ny aseho.
4. Avy eo, tsindrio ny Ampiharo> OK hamonjy ireo fanovana.
Fomba 6: Ampandehano ny 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 Manaova toy ny mpandrindra safidy araka ny aseho.
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 avy amin'ny lisitra.
4. Avy eo, tsindrio ny Options arahin'ny Scan & Repair from the drop down list.
5. Amin'ny bitsika manaraka, click on Begin scan ary miandry mandra-pahavitan'ny dingana.
Finally, restart your game and check if you can fix BLZBNTAGT00000840 error code.
Vakio ihany koa: Amboary ny Avast tsy manavao ny famaritana virosy
Fomba 7: Ovao ny Windows Defender Firewall Setting
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.
Safidy II: Atsaharo ny Firewall (Tsy soso-kevitra)
Raha tsy fantatrao ny fomba hanafoanana ny Windows Defender Firewall, ny torolàlana momba ny fomba hanafoanana Windows 10 Firewall dia hanampy anao hanao izany.
Safidy III: Mamorona fitsipika vaovao amin'ny 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.
Fomba 8: Atsaharo vetivety ny Antivirus (raha azo atao)
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.
Vakio ny torolàlana momba ny fomba hanafoanana ny Antivirus vonjimaika amin'ny Windows 10 ary araho ny toromarika mba hanafoanana ny programa Antivirus vetivety amin'ny PC-nao.
If you have a fix for your problem after disabling the antivirus program in your computer, you are advised to uninstall the program completely from your PC. Read our guide Force Uninstall Programs which won’t Uninstall In Windows 10 to uninstall your antivirus program in your computer.
Vakio ihany koa: Fix Blizzard Fametrahana iray hafa an-dalam-pandrosoana 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. Tsindrio ny Windows key and type fampiharana sy endri-javatra, tsindrio avy eo Open.
2. Ankehitriny, tadiavo World ny Warcraft ao amin'ny lisitra ary tsindrio eo. Avy eo, fidio ny esory safidy.
3. Raha asaina ianao dia tsindrio indray esory.
4. Ankehitriny, tsidiho ny Tranonkala ofisialy Blizzard, ary tsindrio World ny Warcraft.
5. Avy eo, tsindrio ny Download for Windows option and wait until the game gets installed on your PC.
6. Mandehana mankany Ny fisintonako ao amin'ny File Explorer ary tsindrio indroa eo amin'ny setup file to run the application.
7. Araho ny torolàlana eo amin'ny efijery to install the game on your Windows 10 PC
Finally, relaunch the game and now you will have fixed WOW error code BLZBNTAGT00000840.
Recommended:
Manantena izahay fa nanampy ity toro-lalana ity ary azonao amboarina 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.