How to Fix WOW Error #134 Fatal Condition

How to Fix WOW Error 134 Fatal Condition

If you are a game lover, you would have definitely come across World of Warcraft. This game is one of the best MMO Role-Playing Games with millions of players in the world. Although this game was released in 2004, it rules the entire gaming empire with huge success, and it is still popular. When Blizzard Entertainment released this game, it was available only for Windows Operating Systems. Later, it was expanded, and now users can enjoy this game on many gaming platforms. Blizard frequently releases updates to fix and prevent any errors during the game. Still, few users are struggling with WOW Error #134 Fatal Condition. This guide will help you learn the WOW Error #134 fix in detail.

How to Fix WOW Error 134 Fatal Condition

How to Fix WOW Error #134 Fatal Condition

There are so many reasons associated with WOW Error #134 (0x85100086) in your Windows 10 PC. Yet, a few significant reasons are listed below:

  • Battle.net lacks admin access
  • Corrupt data in-game installation folder
  • Editing permissions are missing
  • An 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, read and implement the below-discussed methods in your Windows 10 computer for WOW Error #134 fix and to prevent the same.

Method 1: Basic Troubleshooting

Step 1: Restart PC

The general trick to resolve all the temporary glitches associated with World of Warcraft is to restart your computer as depicted below.

Select Shut down or sign out

Step 2: Ensure Proper Network Connectivity

Unstable internet connection leads to WOW takes forever to launch Error #134 Fatal Condition. You can run a speed test to know the optimum level of network speed required for the proper connection. Then, contact your ISP for better plans.

You can run a speed test to know the optimum level of network speed required for the proper connection

Step 3: Close Background Tasks

Several users have confirmed that WOW Error #134 Fatal Condition can be resolved by closing all the background tasks running on your PC. To do the same, follow our guide on How to End Task in Windows 10 and proceed as instructed.

Click on End Task

Also Read: Fix PUBG Stuck on Loading Screen on Windows 10

Method 2: Run Blizzard Battle.net as Administrator

It is one of the most common reasons that cause WOW Error #134 Fatal Condition in your Windows 10 PC. Since certain permissions and features can only be accessed if you have granted admin rights to the World of Warcraft game, you can fix it as follows:

1. Right-click on the World of Warcraft shortcut on the desktop.

Note: You can also navigate to the World of Warcraft installation directory and right-click on it.

right click Properties Fix WOW Error #134 Fatal Condition

2. Now, select the Properties option as shown.

3. Then, switch to the Compatibility tab and check the box titled Run this program as an administrator.

check the Run this program as an administrator option under the Settings section

4. Finally, click on Apply > OK to save the changes.

Also Read: Fix WOW High Latency But Internet is Fine in Windows 10

Method 3: Rename Cache, Interface & 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 WOW Error #134 (0x85100086). So, you are advised to rename the folders and check if it works.

1. Press Windows + E keys together to open File Explorer.

2. Navigate to C:\Program Files (x86)\World of Warcraft as shown.

Now, navigate to C Program Files 86 World of Warcraft path | Fix WOW Error #134 Fatal Condition

3. Now, find Cache folder and right-click on it. Then, select Rename option as shown.

Now, find the following folders and right-click on them. Then, select Rename as shown. Cache Interface WTF

4. Rename the folder as Cacheold.

5. Similarly, rename Interface and WTF folders as Interfaceold, and WTFold, respectively. Refer image below for clarity.

Now, rename the folders to something like Cacheold, Interfaceold, WTFold respectively. Fix WOW Error #134 Fatal Condition

5. Relaunch the game and check if you got WOW Error #134 fix in your Windows 10 PC.

Also Read: Fix Dragon Age Inquisition Crash to Desktop Windows 10

Method 4: Delete WOW Cache Folder

Several users face WOW Error #134 Fatal Condition 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 didn’t work for you, the upcoming instructions might help.

1. Navigate to C:\Program Files (x86)\World of Warcraft > Cache folder as earlier.

2. Right-click on the Cache folder and select the Delete option, as shown.

Then, right-click on Cache folder and select the Delete option. Fix WOW Error #134 Fatal Condition

Also Read: Top 14 Best Graphics Card for Linux

Method 5: Change Read-Only Attribute

The World of Warcraft game will run without any errors when you have granted proper custom attributes settings in UAC or User Account Control. In case, the game, and its components have only read-only components, you cannot modify or update World of Warcraft. It results in WOW Error #134 Fatal Condition in your PC. In this event, change the read-only attribute for the game as instructed below.

1. Launch File Explorer and navigate to C:\Program Files (x86)\World of Warcraft

Launch File Explorer by pressing Windows E keys together and navigate to C Program Files 86 World of Warcraft location.

2. Here, right-click on the Wow.exe setup file and click the Properties option.

Now, right-click on Wow.exe setup file and select the Properties option |Fix WOW Error #134 Fatal Condition

3. Switch to the General tab. Uncheck the box marked Read-only next for the Attributes section shown highlighted below.

Now, switch to the General tab and uncheck the box next to Read-only next to Attributes section Fix WOW Error #134 Fatal Condition

4. Then, click on Apply > OK to save the changes.

Method 6: Run Blizzard Repair Tool

If you still couldn’t find WOW Error #134 fix, there may be some chances that your PC has some damaged gaming files in it. Damaged files may fill your computer due to an overprotective antivirus suite or due to an update failure. Fortunately, you can resolve all these corrupt gaming files automatically with the help of built-in tool of Blizzard.

1. Navigate to the directory of the Wow.exe setup file and select the Run as administrator option as shown.

navigate to the directory of Wow.exe setup file and select the Run as administrator option

2. If you are prompted by the 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 from the list.

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.

In the next prompt, click on Begin scan

6. Finally, restart the game and check if you can fix WOW Error #134 Fatal Condition.

Also Read: Fix Frosty Mod Manager Not Launching Game in Windows 10

Method 7: Run SFC & DISM Scans

If there are any missing or damaged files on your Windows 10 PC, you will face WOW Error #134 Fatal Condition. Yet, you are repairing these corrupt files by using inbuilt utilities, namely System File Checker and Deployment Image Servicing and Management. Read our guide on How to Repair System Files on Windows 10 and follow the steps as instructed to repair corrupt system files.

Run SFC and DISM command lines to repair system files.

Method 8: Delete Temporary Files

Few users have suggested that clearing some disk space on PC has helped them sort out WOW Error #134 (0x85100086). Follow our guide How to Delete Temp Files in Windows 10 which will help you clear all unnecessary files.

Disk cleanup will calculate and open a list of possibly deletable files stored along with the temporary cache files with a Description of all the files as per selection, scroll down and select the required files according to your choice and click on OK after being done.

Method 9: Update Windows OS

You can also eradicate bugs in your computer and game by updating your Operating System. Implement our guide How to Download and Install Windows 10 Latest Update and connect to your game server without any errors.

Update Windows

Method 10: Update Graphics Drivers

As World of Warcraft is a graphically intensive game, updated & compatible graphics driver is essential for your gaming experience. You can search for the newest releases of drivers from its official website, or you can update them manually via Device Manager. Read 4 Ways to Update Graphics Drivers in Windows 10 to learn more.

Follow our guide 4 Ways to Update Graphics Drivers in Windows 10 to update your driver

Also Read: Fix Unable to Connect to World Minecraft in Windows 10

Method 11: Reinstall Graphics Drivers

If you still face WOW Error #134 (0x85100086) after updating your Graphical drivers, reinstall device drivers to fix any incompatibility issues. Read our guide How to Uninstall and Reinstall Drivers on Windows 10 here.

Right-click on driver and click on Uninstall device option.

Method 12: Roll Back GPU Drivers

Sometimes, the current version of GPU drivers may cause any game launching conflicts. And in this case, you have to restore previous versions of installed drivers with the process called rollback of drivers. You can easily roll back your computer drivers to their previous state by following our guide on How to Rollback Drivers on Windows 10.

You can easily roll back your computer drivers to their previous state by following our guide How to Rollback Drivers on Windows 10

Also Read: 33 Best Scary Roblox Games to Play with Friends

Method 13: Allow WOW or Add New Rule in Windows Defender Firewall

You will also face WOW Error #134 Fatal Condition due to an over-protective antivirus suite in your Windows 10 computer. It prevents the connection link between the game launcher and the server. Similarly, in-built Windows defender firewall may also cause conflicts. Hence, you can try to resolve it using either of the following options:

Option I: Whitelist World of Warcraft

To allow World of Warcraft in your Windows Defender Firewall, follow our guide on Allow or Block Apps through the Windows Firewall.

Click on ‘Change settings’ button in the new window

Option II: Create New Rule in Firewall

1. Hit the Windows key and type Windows Defender Firewall with Advanced Security. Then, click on Open.

Hit the Windows key and type Windows Defender Firewall with Advanced Security. Then, click on Open

2. From the left pane, click on Inbound Rules as depicted.

Now, in the left pane, click on Inbound Rules

3. Then, from the right pane, click on New rule… as shown.

Then, in the right pane, click on New rule… | How to Fix WOW Error #134 Fatal Condition

4. Select the Program option under What type of rule would you like to create? menu and click on Next > as shown.

Now, make sure you select the Program option under What type of rule would you like to create

5. Then, click on the Browse… button corresponding to This program path: as shown.

Then, click on the Browse… button corresponding to This program path

6. Navigate to C:\Program Files (x86)\World of Warcraft path and double-click on the WOW setup file. Then, click on the Open button.

7. Click on Next > in the New Inbound Rule Wizard window.

Then, click on Next in the New Inbound Rule Wizard window | How to Fix WOW Error #134 Fatal Condition

8. Now, mark the option titled Allow the connection and click on Next > as depicted.

Now, select the radio button next to Allow the connection and click on Next

9. Make sure to check the following boxes and click on Next > as shown.

  • Domain
  • Private
  • Public

Make sure Domain, Private, Public boxes are selected and click on Next

10. Finally, add a name e.g. WOW to your new rule and click on Finish.

Finally, add a name to your new rule and click on Finish | How to Fix WOW Error #134 Fatal Condition

Also Read: Fix Skyrim Won’t Launch in Windows 10

Method 14: Reinstall World of Warcraft

Misconfigured files in World of Warcraft will lead to WOW Error 51900101 or #134. So, in this case, you have no other option than to reinstall the game as follow:

1. Hit the Windows key and type Apps & features. Then, click on Open.

Hit the Windows key and type apps and features. Then, click on Open

2. Search World of Warcraft in the list and click on it. Then, select the Uninstall option.

Now, search and click on World of Warcraft and select Uninstall option | How to Fix WOW Error #134 Fatal Condition

3. If you are prompted, again, click on Uninstall.

4. Once the game is completely uninstalled from your computer, press-hold Windows + E keys together to open File Explorer.

5. Now, navigate to the following paths one by one and Delete all folders related to WOW.

  • C:\Windows\Temp
  • C:\Program Files\gametitle
  • C:\Program Files (x86)\gametitle
  • C:\Program Files\Common Files\Blizzard Entertainment
  • C:\Users\Public\Games\gametitle
  • C:\Users\Public\Public Documents\Blizzard Entertainment\gametitle

Make sure you find something related to World of Warcraft instead of gametitle in the above locations

6. Double-click Recycle Bin from Desktop and permanently Delete all the files/folders from here.

Then, empty all the data in Recycle bin and permanently delete the files/folders you have deleted now

7. Then, visit Blizzard official website to Download World of Warcraft for Windows PC.

Then, visit Blizzard official site to download World of Warcraft | How to Fix WOW Error #134 Fatal Condition

8. Navigate to My downloads in File Explorer and double-click on the setup file to run the application.

9. Follow the on-screen instructions to install the game on your Windows 10 PC and continue playing!

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We hope that this guide was helpful and you could fix WOW Error #134 Fatal Condition in your device. Let us know which method worked for you the best. Drop queries or suggestions in the comments section below.

Posted by
Elon Decker

Elon is a tech writer at TechCult. He's been writing how-to guides for about 6 years now and has covered many topics. He loves to cover topics related to Windows, Android, and the latest tricks and tips.

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