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.
Metotia 1: Metotia Fa'afitauli Fa'avae
Here are a few basic methods to fix the WOW error.
1A. Toe amata 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. Su'e i le Windows Power User menu e ala i le oomiina o le Pupuni ma X ki i le taimi e tasi.
2. Filifili Taofi pe saini.
3. Mulimuli ane, kiliki i luga Toe amata.
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.
Tulaga Manaomia Sili:
- CPU: Intel Core i5-760 poʻo AMD FX-8100 poʻo mulimuli ane
- PPU SAOPOTI: Fa'amatalaga
- pa'ū: 4 GB RAM (8GB mo ata tu'ufa'atasi e pei ole Intel HD Graphics)
- OS: Pupuni 7 / Pupuni 8 / Pupuni 10 64 bit
- Pepa VITIO: NVIDIA GeForce GTX 560 2GB po'o AMD Radeon HD 7850 2GB po'o le Intel HD Graphics 530 (45W)
- PIXEL SHADER: 5.0
- VERTEX SHADER: 5.0
- VAAIGA TUSI FA'AVAE: 70 GB
- VITIO FA'ATUATUA RAM: 2 GB
Fautuaina Manaoga:
- CPU: Intel Core i7-4770 poʻo AMD FX-8310 poʻo mulimuli ane
- PPU SAOPOTI: Fa'amatalaga
- pa'ū: 8 GB
- OS: Pupuni 10 64-bit
- Pepa VITIO: NVIDIA GeForce GTX 960 poʻo AMD Radeon R9 280 poʻo mulimuli ane
- PIXEL SHADER: 5.1
- VERTEX SHADER: 5.1
- VAAIGA TUSI FA'AVAE: 70 GB
- VITIO FA'ATUATUA RAM: 4 GB
1C. Ia mautinoa Feso'ota'iga Lelei
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.
E mafai ona e tamoe a Telefoni ia iloa le maualuga maualuga o le saoasaoa o fesoʻotaiga e manaʻomia mo le fesoʻotaʻiga talafeagai.
Ia mautinoa o lo'o fa'amalieina e lau masini ta'iala o lo'o i lalo.
- Su'e le malosi fa'ailo o lau feso'otaiga ma afai e matua maualalo, fa'amama uma fa'alavelave i le va o le ala.
- Aloese mai le tele o masini e feso'ota'i i le feso'otaiga tutusa.
- Fa'atau i taimi uma se modem/router ua fa'amaonia e lau Internet Service Provider (ISP) ma e leai ni fete'ena'iga.
- Aua le faʻaogaina uaea tuai, malepe, pe faaleagaina. Sui uaea pe a mana'omia.
- Ia mautinoa o uaea mai le modem i le router ma le modem i le puipui o loʻo mautu ma leai se faʻalavelave.
Afai ei ai ni faʻafitauli fesoʻotaʻiga i luga ole laiga, siaki la matou taʻiala Faʻafefea ona foia Faʻafitauli Faʻafesoʻotaʻi Fesoʻotaʻiga i luga Windows 10 e foia ai le tutusa.
1D. Tapuni Fa'agasologa o Talaaga
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. Toe faaleleia Faila Faiga
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, File Checker System ma Faʻapipiʻiina o Auaunaga Faʻamatalaga ma Pulega. Faitau la matou taʻiala ile Faʻafefea ona Toe Faʻaleleia Faiga Faʻatonu ile Windows 10 ma mulimuli i laasaga e pei ona faʻatonuina e toe faʻaleleia uma au faila leaga.
Faitau foi: Auala e la'u mai ai Hextech Repair Tool
1F. Fa'amama Tiki Atoa
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. Fa'afou 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. Fa'afouina Aveta'avale Ata
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 o avetaavale ma e faigofie ona toe fa'afo'i au ta'avale komepiuta i lo latou tulaga muamua e ala i le mulimuli i la matou ta'iala Fa'afefea ona Toe Ta'avale Aveta'avale Windows 10.
Faitau foi: How to Tell If Your Graphics Card is Dying
1J. Toe fa'apipi'i Aveta'avale Ata
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. Fa'amama DNS Cache & Fa'amaumauga
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.
Metotia 2: Taʻavale Blizzard Battle.net e avea ma Pule
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. Taumatau-kiliki i le Lalolagi o Warcraft popo i luga o le desktop po'o le fa'asaga i le fa'atonuga fa'apipi'i ma taumatau-kiliki i luga.
2. O lenei, filifili le meatotino filifiliga.
3. Ona, sui lea i le le tulaga ogatasi tab ma siaki le pusa Taʻosaʻo lenei polokalame i le avea ai o se pule.
4. Mulimuli ane, kiliki i luga Faʻaoga> LELEI e teu ai suiga.
Faitau foi: 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 ki faatasi e tatala File Explorer.
2. Now, navigate to following Ala e pei ona faaalia.
C:Program Files (x86)World of Warcraft
3. Now, find the following folders and right-click on them. Then, select Faaigoa pei ona faʻaalia.
4. Now, rename the folders to something like Cacheold, Interfaceold, WTFold faasologa.
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. Alu i le Lalolagi o Warcraft faila.
2. Then, right-click on ufi faila ma filifili le aveese filifiliga e pei ona faʻaalia.
Faitau foi: 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. Tatala File Explorer ma agai atu i Lalolagi o Warcraft faila.
2. Ia, kiliki-matau i luga Wow.exe seti faila ma filifili le meatotino filifiliga.
3. Ia, sui i le Aoao tab and uncheck the box next to Faitau-naʻo sosoo atu uiga vaega e pei ona faaalia.
4. Ona, kiliki i luga Faʻaoga> LELEI e teu ai suiga.
Metotia 6: Ta'avale 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 seti faila ma filifili le Taumafai e avea ma pule filifiliga e pei ona faʻaalia.
2. Afai e uunaia oe e 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 mai le lisi.
4. Ona, kiliki i luga o Filifiliga sosoo ai ma Scan & Repair from the drop down list.
5. In the next prompt, kiliki i luga Amata su'esu'e ma faatali seia maea le faagasologa.
Finally, restart your game and check if you can fix BLZBNTAGT00000840 error code.
Faitau foi: Fa'asa'o Avast Le Fa'afouina Fa'amatalaga Virus
Metotia 7: Suia le Windows Defender Firewall Set
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.
Filifiliga II: Ta'e le Pafi (E le'o Fautuaina)
Afai e te le iloa pe faʻafefea ona faʻamalo le Windows Defender Firewall, o la matou taʻiala Faʻafefea ona Faʻagata Windows 10 O le a fesoasoani ia te oe e fai.
Filifiliga III: Fausia Tulafono Fou ile Pa puipui
Follow our guide How to Add Windows Firewall Rule and check if you have fixed error code BLZBNTAGT00000840 in WOW is fixed or not.
Metotia 8: Fa'agata le tumau Antivirus (pe a talafeagai)
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.
Faitau la matou taʻiala ile auala e faʻagata ai le Antivirus le tumau Windows 10 ma mulimuli i faʻatonuga e faʻamalo ai lau polokalame Antivirus mo sina taimi i lau PC.
Afai ei ai sau fofo mo lou faʻafitauli pe a uma ona faʻagata le polokalame antivirus i lau komepiuta, ua fautuaina oe e aveese atoa le polokalame mai lau PC. Faitau la matou ta'iala Fa'amalosi le Fa'apipi'i Polokalama e le fa'ae'eina i totonu Windows 10 e aveese ai lau polokalame antivirus i lau komepiuta.
Faitau foi: Fa'asa'o Blizzard Seisi Fa'apipi'i o lo'o fa'agasolo ile 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. Ta i le Key Windows ma le ituaiga polokalame ma foliga, ona kiliki lea tatala.
2. O lenei, saili Lalolagi o Warcraft i le lisi ma kiliki i luga. Ona, filifili le Uninstall filifiliga.
3. Afai e uunaia oe, toe kiliki i luga Uninstall.
4. O lenei, asiasi i le Blizzard nofoaga aloaia, ma kiliki Lalolagi o Warcraft.
5. Ona, kiliki i luga Tulei mo Windows option and wait until the game gets installed on your PC.
6. Faʻasaga i O a'u download i le File Explorer ma kiliki faalua i luga o le setup file to run the application.
7. Mulimuli i le luga o lau faʻatonuga to install the game on your Windows 10 PC
Finally, relaunch the game and now you will have fixed WOW error code BLZBNTAGT00000840.
fautuaina:
Matou te faʻamoemoe na fesoasoani lenei taʻiala ma e mafai ona e faʻaleleia 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.