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.
Mokhoa oa 1: Mekhoa ea Motheo ea Tharollo ea Mathata
Here are a few basic methods to fix the WOW error.
1A. Qala hape 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. Tsamaea ho menu ea Windows Power User ka ho tobetsa ea Windows le X linotlolo ka nako e le 'ngoe.
2. Khetha Koala fatše kapa u saene.
3. Qetellong, tobetsa Qala hape.
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.
Litlhokahalo tse fokolang:
- CPU: Intel Core i5-760 kapa AMD FX-8100 kapa hamorao
- LEBELO LA CPU: Litaba
- RAM: 4 GB RAM (8GB bakeng sa litšoantšo tse kopantsoeng tse kang Intel HD Graphics)
- OS: Windows 7 / Windows 8 / Windows 10 64 bit
- KARETE EA VIDEO: NVIDIA GeForce GTX 560 2GB kapa AMD Radeon HD 7850 2GB kapa Intel HD Graphics 530 (45W)
- PIKELE MOTSI: 5.0
- VERTEX MORITI: 5.0
- SEKOLO SA DISKANE: 70 GB
- KHETHA VIDEO RAM: 2 GB
Litlhokahalo tse khothalelitsoeng:
- CPU: Intel Core i7-4770 kapa AMD FX-8310 kapa hamorao
- LEBELO LA CPU: Litaba
- RAM: 8 GB
- OSTlhaloso: Windows 10 64 bit
- KARETE EA VIDEO: NVIDIA GeForce GTX 960 kapa AMD Radeon R9 280 kapa hamorao
- PIKELE MOTSI: 5.1
- VERTEX MORITI: 5.1
- SEKOLO SA DISKANE: 70 GB
- KHETHA VIDEO RAM: 4 GB
1C. Netefatsa Khokahano e nepahetseng ea Marang-rang
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.
U ka matha a Ka potlako ho tseba boemo bo hodimo ba lebelo la netweke le hlokehang bakeng sa kgokelo e nepahetseng.
Netefatsa hore sesebediswa sa hao se kgotsofatsa maemo a ka tlase.
- Fumana matla a pontšo ea marang-rang a hau 'me haeba a le tlaase haholo, hlakola litšitiso tsohle tse pakeng tsa tsela.
- Qoba lisebelisoa tse ngata tse hoketsoeng marang-rang a tšoanang.
- Kamehla reka modem/routa e netefalitsoeng ke Mofani oa Litšebeletso tsa Marang-rang (ISP) 'me ha li na likhohlano.
- Se ke oa sebelisa lithapo tsa khale, tse robehileng, kapa tse senyehileng. Tlosa lithapo ha ho hlokahala.
- Etsa bonnete ba hore lithapo tse tsoang modem ho ea ho router le modem ho ea leboteng li tsitsitse ebile ha li na tšitiso.
Haeba ho na le mathata leha e le afe a khokahanyo ea Marang-rang, sheba tataiso ea rona Mokhoa oa ho Rarolla Mathata a Khokahano ea Marang-rang Windows 10 ho rarolla bothata bo tšoanang.
1D. Koala Melaetsa ea Semelo
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, Setšoantšo sa Mochine oa Checker 'me Tšebeletso ea Litšoantšo le ho Laola. Bala tataiso ea rona mabapi le Mokhoa oa ho Lokisa Lifaele tsa Sistimi ho Windows 10 'me u latele mehato e laetsoeng ho lokisa lifaele tsa hau tse senyehileng.
Hape Bala: Mokhoa oa ho jarolla sesebelisoa sa ho lokisa sa 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. Ntlafatsa Windows
U ka boela ua felisa liphoso khomphuteng le papaling ea hau ka ho nchafatsa Sistimi ea Ts'ebetso. Kamehla etsa bonnete ba hore haeba u ntlafalitse Sistimi ea Ts'ebetso ea Windows le haeba ho na le lintlafatso tse ntseng li le teng, sebelisa tataiso ea rona Mokhoa oa ho Khoasolla le ho Kenya Windows 10 Nchafatso ea morao-rao.
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 ho khutlisetsoa morao hoa bakhanni mme o ka khutlisetsa bakhanni ba komporo ea hau habonolo maemong a bona a pele ka ho latela tataiso ea rona Mokhoa oa ho Rollback Drivers ho Windows 10.
Hape Bala: U ka Bolella Joang Haeba Karete ea Hau ea Graphics e ea Shoa
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.
Mokhoa oa 2: Matha Blizzard Battle.net joalo ka Motsamaisi
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. Tobetsa ka ho le letona ho Lefatše oa vinagame tsela e khutšoanyane komporong ea hau kapa u tsamaise sesebelisoa sa ho kenya ebe o tobetsa ka ho le letona ho eona.
2. Joale, khetha ea Matlo kgetho.
3. Joale, switjha ho sebeletsana tab 'me u hlahlobe lebokose Tsamaisa lenaneo lena e le molaoli.
4. Qetellong, tobetsa Etsa kopo> Ho lokile ho boloka liphetoho.
Hape Bala: Lokisa WoW e nka ka ho sa Feleng ho qala ho 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 Linotlolo tsa Windows + E mmoho ho bula Fumana Explorer.
2. Now, navigate to following tsela joalo ka ha ho bontšitsoe.
C: Program Files (x86) World of Warcraft
3. Now, find the following folders and right-click on them. Then, select Qala hape joalokaha ho bontšitsoe.
4. Now, rename the folders to something like Cacheold, Interfaceold, WTFold ka ho latellana.
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. E-ea ho ea Lefatše oa vinagame Folder.
2. Ebe, tobetsa ka ho le letona sekoahelong foldareng ebe u khetha file hlakola khetho joalo ka ha ho bonts'itsoe.
Hape Bala: Lokisa WOW High Latency Empa Marang-rang a Hantle 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. Qala Fumana Explorer 'me u tsamaee ho ea Lefatše oa vinagame Folder.
2. Joale, tobetsa ka ho le letona Wow.exe setup faele ebe o khetha faele ea Matlo kgetho.
3. Joale, fetohela ho General tab ebe o hlakola lebokose le haufi le Bala feela haufi le litšobotsi karolo kamoo ho bontšitsoeng kateng.
4. Joale, tobetsa Etsa kopo> Ho lokile ho boloka liphetoho.
Mokhoa oa 6: Matha Sesebelisoa sa ho Lokisa 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 faele ebe o khetha faele ea Mathang e le mookameli khetho joalo ka ha ho bonts'itsoe.
2. Haeba u susumetsoa ke 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 ho tsoa lethathamong.
4. Then, click on Options followed by Scan & Repair from the drop down list.
5. Potsong e latelang, tobetsa Qala ho hlahloba 'me u eme ho fihlela ts'ebetso e phethoa.
Finally, restart your game and check if you can fix BLZBNTAGT00000840 error code.
Hape Bala: Lokisa Avast Ha e Nchafatse Litlhaloso tsa Virus
Mokhoa oa 7: Fetola Setting ea Windows Defender Firewall
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.
Khetho II: Thibela Firewall (Ha e khothalletsoe)
Haeba u sa tsebe ho tima Windows Defender Firewall, tataiso ea rona Mokhoa oa ho Thibela Windows 10 Firewall e tla u thusa ho etsa joalo.
Khetho ea III: Etsa Molao o Mocha ho 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.
Mokhoa oa 8: Thibela Antivirus ka Nakwana (Haeba e le teng)
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.
Bala tataiso ea rona mabapi le Mokhoa oa ho tima Antivirus ka Nakoana Windows 10 'me u latele litaelo tsa ho tima lenaneo la hau la Antivirus ka nakoana ho PC ea hau.
Haeba u na le tokiso bakeng sa bothata ba hau ka mor'a ho tima lenaneo la antivirus khomphuteng ea hau, u eletsoa hore u tlose lenaneo ka ho feletseng ho PC ea hau. Bala tataiso ea rona Matla a Uninstall Programs a ke keng a Uninstall In Windows 10 ho notlolla lenaneo la hau la antivirus komporong ea hau.
Hape Bala: Lokisa Blizzard Kemiso e 'ngoe e Tsoelang Pele ho 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. Otla the Mochini oa Windows 'me u thaepe lisebelisoa le likarolo, ebe o tobetsa Open.
2. Joale, batla Lefatše oa vinagame lethathamong ebe o tobetsa ho lona. Ka nako eo, khetha ea Tlosa kgetho.
3. Haeba o khothalletsoa, tobetsa hape Tlosa.
4. Joale, etela Sebaka sa semmuso sa Blizzard, ebe u tobetsa Lefatše oa vinagame.
5. Joale, tobetsa Khoasolla Windows option and wait until the game gets installed on your PC.
6. Tsamaea ho Likotlolo tsa ka ho File Explorer ebe o tobetsa habeli ho setup file to run the application.
7. Latela litaelo tse skrineng 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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Re tšepa hore tataiso ena e bile thuso 'me u ka e lokisa 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.