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.
ວິທີທີ່ 1: ວິທີການແກ້ໄຂບັນຫາພື້ນຖານ
Here are a few basic methods to fix the WOW error.
1A. ຣີສະຕາດ 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. ທ່ອງໄປຫາເມນູຜູ້ໃຊ້ພະລັງງານ Windows ໂດຍການກົດທີ່ ປຸ່ມ Windows ແລະ X ພ້ອມດຽວກັນ.
2 ເລືອກເອົາ ປິດຫລືລົງຊື່ເຂົ້າໃຊ້.
3. ສຸດທ້າຍ, ໃຫ້ຄລິກໃສ່ ເລີ່ມຕົ້ນໃຫມ່.
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.
ຄວາມຕ້ອງການຂັ້ນຕ່ໍາ:
- CPU: Intel Core i5-760 ຫຼື AMD FX-8100 ຫຼືຫຼັງຈາກນັ້ນ
- ຄວາມໄວ CPU: ຂໍ້ມູນ
- RAM: 4 GB RAM (8GB ສໍາລັບກາຟິກປະສົມປະສານເຊັ່ນ Intel HD Graphics)
- OS: Windows 7 / Windows 8 / Windows 10 64 bit
- ບັດວີດີໂອ: NVIDIA GeForce GTX 560 2GB ຫຼື AMD Radeon HD 7850 2GB ຫຼື Intel HD Graphics 530 (45W)
- PIXEL Shaders: 5.0
- VERTEX ຮົ່ມ: 5.0
- ພື້ນທີ່ດິສກ໌ຟຣີ: 70 GB
- RAM ວິດີໂອສະເພາະ: 2 GB
ຄວາມຕ້ອງການທີ່ແນະ ນຳ:
- CPU: Intel Core i7-4770 ຫຼື AMD FX-8310 ຫຼືຫຼັງຈາກນັ້ນ
- ຄວາມໄວ CPU: ຂໍ້ມູນ
- RAM: 8 GB
- OS: Windows 10 64 bit
- ບັດວີດີໂອ: NVIDIA GeForce GTX 960 ຫຼື AMD Radeon R9 280 ຫຼືຫຼັງຈາກນັ້ນ
- PIXEL Shaders: 5.1
- VERTEX ຮົ່ມ: 5.1
- ພື້ນທີ່ດິສກ໌ຟຣີ: 70 GB
- RAM ວິດີໂອສະເພາະ: 4 GB
1C. ຮັບປະກັນການເຊື່ອມຕໍ່ເຄືອຂ່າຍທີ່ຖືກຕ້ອງ
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.
ທ່ານສາມາດດໍາເນີນການ a Speedtest ເພື່ອຮູ້ລະດັບຄວາມໄວເຄືອຂ່າຍທີ່ດີທີ່ສຸດທີ່ຕ້ອງການສໍາລັບການເຊື່ອມຕໍ່ທີ່ເຫມາະສົມ.
ໃຫ້ແນ່ໃຈວ່າອຸປະກອນຂອງທ່ານພໍໃຈກັບເງື່ອນໄຂຂ້າງລຸ່ມນີ້.
- ຊອກຫາຄວາມແຮງສັນຍານຂອງເຄືອຂ່າຍຂອງທ່ານແລະຖ້າມັນຕ່ໍາຫຼາຍ, ລ້າງສິ່ງກີດຂວາງທັງຫມົດໃນລະຫວ່າງທາງ.
- ຫຼີກເວັ້ນອຸປະກອນທີ່ເຊື່ອມຕໍ່ກັບເຄືອຂ່າຍດຽວກັນຫຼາຍເກີນໄປ.
- ຊື້ໂມເດັມ/ເຣົາເຕີທີ່ຢັ້ງຢືນໂດຍຜູ້ໃຫ້ບໍລິການອິນເຕີເນັດ (ISP) ຂອງເຈົ້າສະເໝີ ແລະບໍ່ມີຂໍ້ຂັດແຍ່ງ.
- ຢ່າໃຊ້ ສາຍໄຟເກົ່າ, ແຕກ, ຫຼືເສຍຫາຍ. ປ່ຽນສາຍໄຟຖ້າຈໍາເປັນ.
- ກວດໃຫ້ແນ່ໃຈວ່າສາຍໄຟຈາກໂມເດັມຫາເຣົາເຕີ ແລະໂມເດັມໄປຫາຝາແມ່ນມີຄວາມໝັ້ນຄົງ ແລະບໍ່ມີສິ່ງລົບກວນ.
ຖ້າມີບັນຫາການເຊື່ອມຕໍ່ອິນເຕີເນັດ, ໃຫ້ກວດເບິ່ງຄູ່ມືຂອງພວກເຮົາ ວິທີການແກ້ໄຂບັນຫາການເຊື່ອມຕໍ່ເຄືອຂ່າຍໃນ Windows 10 ເພື່ອແກ້ໄຂບັນຫາດຽວກັນ.
1D. ປິດຂະບວນການພື້ນຫລັງ
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. ສ້ອມແປງໄຟລ໌ລະບົບ
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 ແລະ ການບໍລິການແລະການຄຸ້ມຄອງຮູບພາບທີ່ໃຊ້ Deployment Image. Read our guide on How to Repair System Files on Windows 10 and follow the steps as instructed to repair all your corrupt files.
ຍັງອ່ານ: ວິທີການດາວໂຫຼດ Hextech Repair Tool
1F. ດໍາເນີນການ 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. ອັບເດດ 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. ອັບເດດໄດເວີກຣາຟິກ
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 ຂອງຄົນຂັບລົດ ແລະທ່ານສາມາດມ້ວນຄືນໄດເວີຄອມພິວເຕີຂອງທ່ານກັບສະພາບເດີມຂອງພວກເຂົາໄດ້ຢ່າງງ່າຍດາຍໂດຍການປະຕິບັດຕາມຄໍາແນະນໍາຂອງພວກເຮົາ ວິທີການ Rollback Drivers ໃນ Windows 10.
ຍັງອ່ານ: How to Tell If Your Graphics Card is Dying
1 ຈ. ຕິດຕັ້ງໄດເວີກຣາຟິກຄືນໃໝ່
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.
1 ພັນ. ລຶບລ້າງ 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.
ວິທີການ 2: ດໍາເນີນການ Blizzard Battle.net ເປັນ 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. ກົດຂວາໃສ່ປຸ່ມ ໂລກຂອງ Warcraft ທາງລັດ ໃນ desktop ຫຼືນໍາທາງ ໄດເລກະທໍລີການຕິດຕັ້ງ ແລະກົດຂວາໃສ່ມັນ.
2. ໃນປັດຈຸບັນ, ເລືອກເອົາ ອະສັງຫາ ທາງເລືອກ.
3. ຫຼັງຈາກນັ້ນ, ສະຫຼັບກັບ ເຂົ້າກັນໄດ້ ແຖບແລະກວດເບິ່ງກ່ອງ ດໍາເນີນໂຄງການນີ້ເປັນຜູ້ບໍລິຫານ.
4. ສຸດທ້າຍ, ໃຫ້ຄລິກໃສ່ ສະ ໝັກ> OK ເພື່ອຊ່ວຍປະຢັດການປ່ຽນແປງ.
ຍັງອ່ານ: 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 ປຸ່ມ Windows + E ຮ່ວມກັນເພື່ອເປີດ File Explorer
2. Now, navigate to following ເສັ້ນທາງ ດັ່ງທີ່ອະທິບາຍ.
C:Program Files (x86)World of Warcraft
3. Now, find the following folders and right-click on them. Then, select ປ່ຽນຊື່ ດັ່ງທີ່ສະແດງ.
4. Now, rename the folders to something like Cacheold, Interfaceold, WTFold ຕາມລໍາດັບ.
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. ທ່ອງໄປຫາ ໂລກຂອງ Warcraft ໂຟນເດີ.
2. ຫຼັງຈາກນັ້ນ, ຄລິກຂວາໃສ່ ການປົກຫຸ້ມຂອງ ໂຟນເດີແລະເລືອກເອົາ ລົບ ທາງເລືອກດັ່ງທີ່ສະແດງໃຫ້ເຫັນ.
ຍັງອ່ານ: ແກ້ໄຂ WOW latency ສູງແຕ່ອິນເຕີເນັດແມ່ນດີໃນ 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 ເປີດຕົວ File Explorer ແລະທ່ອງໄປຫາ ໂລກຂອງ Warcraft ໂຟນເດີ.
2. ໃນປັດຈຸບັນ, ຄລິກຂວາໃສ່ Wow.exe setup file ແລະເລືອກ ອະສັງຫາ ທາງເລືອກ.
3. ໃນປັດຈຸບັນ, ສະຫຼັບກັບ ໂດຍທົ່ວໄປ tab and uncheck the box next to ອ່ານຢ່າງດຽວ ຕໍ່ໄປ ຄຸນລັກສະນະ ພາກສ່ວນດັ່ງທີ່ສະແດງ.
4. ຫຼັງຈາກນັ້ນ, ໃຫ້ຄລິກໃສ່ ສະ ໝັກ> OK ເພື່ອຊ່ວຍປະຢັດການປ່ຽນແປງ.
ວິທີທີ່ 6: ດໍາເນີນການ 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 ແລະເລືອກ ດໍາເນີນການບໍລິຫານ ທາງເລືອກດັ່ງທີ່ສະແດງໃຫ້ເຫັນ.
2. ຖ້າທ່ານຖືກກະຕຸ້ນໂດຍ 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 ຈາກບັນຊີລາຍຊື່.
4. ຫຼັງຈາກນັ້ນ, ໃຫ້ຄລິກໃສ່ Options ປະຕິບັດຕາມໂດຍ Scan & Repair from the drop down list.
5. In the next prompt, ໃຫ້ຄລິກໃສ່ເລີ່ມຕົ້ນການສະແກນ ແລະລໍຖ້າຈົນກ່ວາຂະບວນການໄດ້ຮັບການສໍາເລັດ.
Finally, restart your game and check if you can fix BLZBNTAGT00000840 error code.
ຍັງອ່ານ: ແກ້ໄຂ Avast ບໍ່ປັບປຸງຄໍານິຍາມຂອງໄວຣັສ
ວິທີທີ 7: ແກ້ໄຂການຕັ້ງຄ່າ 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.
ທາງເລືອກ II: ປິດການໃຊ້ງານ Firewall (ບໍ່ແນະນໍາ)
ຖ້າທ່ານບໍ່ຮູ້ວິທີປິດການໃຊ້ງານ Windows Defender Firewall, ຄູ່ມືຂອງພວກເຮົາ ວິທີການປິດການໃຊ້ງານ Windows 10 Firewall ຈະຊ່ວຍໃຫ້ທ່ານເຮັດແນວນັ້ນ.
ທາງເລືອກ III: ສ້າງກົດລະບຽບໃຫມ່ໃນ 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.
ວິທີທີ 8: ປິດການໃຊ້ງານ Antivirus ຊົ່ວຄາວ (ຖ້າມີ)
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.
ອ່ານຄູ່ມືຂອງພວກເຮົາກ່ຽວກັບວິທີການປິດການໃຊ້ງານ Antivirus ຊົ່ວຄາວໃນ Windows 10 ແລະປະຕິບັດຕາມຄໍາແນະນໍາເພື່ອປິດການທໍາງານໂຄງການ Antivirus ຊົ່ວຄາວໃນ PC ຂອງທ່ານ.
ຖ້າຫາກທ່ານມີການແກ້ໄຂບັນຫາຂອງທ່ານຫຼັງຈາກການປິດການທໍາງານຂອງໂຄງການ antivirus ໃນຄອມພິວເຕີຂອງທ່ານ, ທ່ານໄດ້ຖືກແນະນໍາໃຫ້ຖອນການຕິດຕັ້ງໂຄງການຈາກ PC ຂອງທ່ານຫມົດ. ອ່ານຄໍາແນະນໍາຂອງພວກເຮົາ Force Uninstall Programs ທີ່ຈະບໍ່ຖອນການຕິດຕັ້ງໃນ Windows 10 ເພື່ອຖອນການຕິດຕັ້ງໂຄງການ antivirus ຂອງທ່ານໃນຄອມພິວເຕີຂອງທ່ານ.
ຍັງອ່ານ: ແກ້ໄຂການຕິດຕັ້ງ Blizzard ອື່ນໃນຄວາມຄືບຫນ້າໃນ 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. ຕີໄດ້ ປຸ່ມ Windows ແລະປະເພດ ແອັບ ແລະຄຸນສົມບັດ, ຫຼັງຈາກນັ້ນໃຫ້ຄລິກໃສ່ ເປີດ.
2. ໃນປັດຈຸບັນ, ຄົ້ນຫາ ໂລກຂອງ Warcraft ໃນບັນຊີລາຍຊື່ແລະໃຫ້ຄລິກໃສ່ມັນ. ຫຼັງຈາກນັ້ນ, ເລືອກເອົາ ຖອນການຕິດຕັ້ງ ທາງເລືອກ.
3. ຖ້າຫາກວ່າທ່ານໄດ້ຮັບການກະຕຸ້ນເຕືອນ, ອີກເທື່ອຫນຶ່ງໃຫ້ຄລິກໃສ່ ຖອນການຕິດຕັ້ງ.
4. ໃນປັດຈຸບັນ, ໄປຢ້ຽມຢາມໄດ້ ເວັບໄຊທ໌ທາງການຂອງ Blizzard, ແລະກົດເຂົ້າ ໂລກຂອງ Warcraft.
5. ຫຼັງຈາກນັ້ນ, ໃຫ້ຄລິກໃສ່ ດາວໂຫລດ ສຳ ລັບ Windows option and wait until the game gets installed on your PC.
6 ທ່ອງໄປຫາ ການດາວໂຫຼດຂອງຂ້ອຍ ໃນ File Explorer ແລະ double ໃຫ້ຄລິກໃສ່ setup file to run the application.
7. ປະຕິບັດຕາມ ຄຳ ແນະ ນຳ ໃນ ໜ້າ ຈໍ to install the game on your Windows 10 PC
Finally, relaunch the game and now you will have fixed WOW error code BLZBNTAGT00000840.
ແນະນໍາໃຫ້:
ພວກເຮົາຫວັງວ່າຄູ່ມືນີ້ເປັນປະໂຫຍດແລະທ່ານສາມາດແກ້ໄຂໄດ້ 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.