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.
Rêbaz 1: Rêbazên Çareserkirina Pirsgirêkên Bingehîn
Here are a few basic methods to fix the WOW error.
1A. PC-ê ji nû ve bidin destpêkirin
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 to the Windows Power User menu by pressing the Windows and X keys bi hev.
2. Neqandin Downaş bikin an derkevin.
3. Di dawiyê de, li ser bitikîne 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.
Girêdanên kêmîn:
- CPU: Intel Core i5-760 or AMD FX-8100 or later
- SPEED CPU: Info
- BERAN: 4 GB RAM (8GB for integrated graphics such as Intel HD Graphics)
- OS: Windows 7 / Windows 8 / Windows 10 64 bit
- KARTARD VIDDEO: NVIDIA GeForce GTX 560 2 GB an AMD Radeon HD 7850 2 GB an Intel HD Graphics 530 (45W)
- PIXEL SHADERS: 5.0
- VERTEX SHADES: 5.0
- CÎHÊ DÎSKÊ BELA: 70 GB
- RAMA VÎDEOyê DEDICATED: 2 GB
Pêwîsteyên Pêşniyar:
- CPU: Intel Core i7-4770 or AMD FX-8310 or later
- SPEED CPU: Info
- BERAN: 8 GB
- OS: Windows 10 64 bit
- KARTARD VIDDEO: NVIDIA GeForce GTX 960 or AMD Radeon R9 280 or later
- PIXEL SHADERS: 5.1
- VERTEX SHADES: 5.1
- CÎHÊ DÎSKÊ BELA: 70 GB
- RAMA VÎDEOyê DEDICATED: 4 GB
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.
Hûn dikarin birevin a Speedtest ku hûn asta herî baş a leza torê ya ku ji bo girêdana rast hewce dike zanibin.
Piştrast bikin ku cîhaza we pîvanên jêrîn bicîh tîne.
- Hêza sînyala tora xwe bibînin û heke ew pir kêm be, hemî astengiyên di navbera rê de paqij bikin.
- Ji gelek amûrên ku bi heman torê ve girêdayî ne dûr bixin.
- Her dem modem/routerek ku ji hêla Pêşkêşvanê Karûbarê Înternetê (ISP) ve hatî verast kirin bikirin û ew ji nakokiyan bêpar in.
- Bikaranîn nekin kabloyên kevin, şikestî, an jî xerabûyî. Ger hewce be kabloyan biguherînin.
- Piştrast bikin ku têlên ji modemê berbi router û modem ber bi dîwar ve sabît in û ji tevliheviyê ne.
Ger pirsgirêkên pêwendiya înternetê hebin, rêberê me binihêrin Meriv çawa Pirsgirêkên Têkiliya Torê li ser Windows 10 çareser dike da ku heman pirsgirêk çareser bike.
1D. Close Background Processes
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, Pergala pelê ya pergalê û Servîsa Rêvebir û Rêveberiyê. Rêbernameya me li ser Meriv çawa Pelên Pergalê li ser Windows 10 Tamîr dike bixwînin û gavên ku têne rêve kirin bişopînin da ku hemî pelên xweyên xirab tamîr bikin.
Her weha bixwîne: Meriv çawa Amûra Tamîrkirina Hextech dakêşîne
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. Windows-ê nûve bikin
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 rollback of ajokaran û hûn dikarin bi hêsanî ajokarên komputera xwe vegerînin rewşa wan a berê bi şopandina rêbernameya me Meriv Çawa Ajokerên Vegerandina Li ser Windows 10.
Her weha bixwîne: How to Tell If Your Graphics Card is Dying
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. Li ser-rast-bikirtînin World of Warcraft kurteya on the desktop or navigate the pelrêça sazkirinê û pê-rastê wê bitikînin.
2. Niha, hilbijêre Properties dibe.
3. Dûv re, biguherînin compatibility tab û qutîkê kontrol bikin Vê bernameyê wekî rêvebirê bikar bînin.
4. Di dawiyê de, li ser bitikîne Serlêdan> OK da ku guhastinan hilîne.
Her weha bixwîne: Di Windows 10-ê de WoW Herheyî Distîne Serast bikin
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 Bişkojkên Windows + E bi hev re vekin Explorer Explorer.
2. Now, navigate to following şop wek ku hatiye teswîrkirin.
C:Program Files (x86)World of Warcraft
3. Now, find the following folders and right-click on them. Then, select Rename wekî ku tê xuyang kirin.
4. Now, rename the folders to something like Cacheold, Interfaceold, WTFold herwiha.
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. Navîgasyonê bikin World of Warcraft pêçek.
2. Paşê, li ser rastê bikirtînin cover peldankê û hilbijêre Vemirandina vebijark wekî ku tê xuyang kirin.
Her weha bixwîne: WOW Derengiya Bilind rast bikin Lê Înternet di Windows 10 de baş e
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. Destpêkirin Explorer Explorer û navîgasyon World of Warcraft pêçek.
2. Niha, rast-klîk bike Wow.exe setup file and select the Properties dibe.
3. Niha, veguherîne ser giştî tab and uncheck the box next to Tenê bixwînin lê kêleka taybetmendiyên xwe beşa wek ku tê nîşandan.
4. Piştre, li ser bitikîne Serlêdan> OK da ku guhastinan hilîne.
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 Wekî birêvebirin vebijark wekî ku tê xuyang kirin.
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 ji lîsteyê
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.
Her weha bixwîne: Avast Pênaseyên Vîrusê Nûve Nabe Serast bikin
Rêbaz 7: Mîhenga Firewallê ya Windows Defender biguherîne
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.
Vebijêrk II: Firewall neçalak bike (Tê pêşniyar kirin)
If you do not know how to disable Windows Defender Firewall, our guide How to Disable Windows 10 Firewall will help you do so.
Vebijêrk III: Di Firewallê de Qanûnek Nû Biafirînin
Follow our guide How to Add Windows Firewall Rule and check if you have fixed error code BLZBNTAGT00000840 in WOW is fixed or not.
Rêbaz 8: Antîvîrûs bi demkî neçalak bike (Eger Pêkanibe)
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.
Rêbernameya me li ser Meriv çawa Antivirus Bi Demî li ser Windows 10 Neçalak dike bixwînin û rêwerzan bişopînin da ku bernameya xweya Antivirus bi demkî li ser PC-ya xwe neçalak bikin.
Ger piştî ku bernameya antivirus di komputera xwe de neçalak bike ji bo pirsgirêka we çareseriyek hebe, ji we re tê pêşniyar kirin ku hûn bernameyê bi tevahî ji PC-ya xwe rakin. Ji bo rakirina bernameya xweya antîvîrusê di komputera xwe de rêbernameya me bixwîne Force Uninstall Programs that will not Uninstall Di Windows 10 de.
Her weha bixwîne: Di Windows 10-ê de Sazkirinek din a Blizzard-ê ya li Pêşketinê rast bikin
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. Lêxin Kilîta Windows û cureyê sepan û taybetmendiyên, paşê bitikîne Vekirî.
2. Niha, lêgerîn World of Warcraft in the list and click on it. Then, select the Rakirin dibe.
3. If you are prompted, again click on Rakirin.
4. Niha, serdana Blizzard official site, û bikirtînin World of Warcraft.
5. Piştre, li ser bitikîne Ji bo Windows'ê hilbijêre option and wait until the game gets installed on your PC.
6. Navîgasyon My downloads in File Explorer and double-click on the setup file to run the application.
7. Bişopînin talîmatên li ser-ekranê to install the game on your Windows 10 PC
Finally, relaunch the game and now you will have fixed WOW error code BLZBNTAGT00000840.
Baştir e:
Em hêvî dikin ku ev rêber alîkar bû û hûn dikarin rast bikin 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.