Infinity Ward and Activision developed and released Call of Duty: Modern Warfare, a first-person shooter video game, in 2019. The game was released on October 25, 2019, for Windows, PlayStation 4 and Xbox One. When it comes to Call of Duty: Modern Warfare and Warzone, errors seem to have no beginning or end. The Modern Warfare and Warzone Error Code blzbntbgs7fffff01 on COD is a very common one among them which many Modern Warfare players have complained about so far. Let’s learn all the possible solutions here and fix this error to continue playing regular multiplayer and Warzone without any interruption.
Steps To Fix Error Code Blzbntbgs7fffff01 on COD: Modern Warfare
Update the game COD: MW
The first step to fixing this issue is to confirm that you are playing the most recent game version.
Update Warzone to the most recent game version by following the detailed instructions below:-
- First, close all the active Call of Duty: MW Warzone programs
- Next, launch Battle.Net and sign in to your account
- Head to Library, choose “Call of Duty Warzone” from the Library (located in the left-hand corner of the screen) and click on “Settings”
- Select “Check for Updates”
- If you notice a new game update, install them, following the instructions
- After that, restart your PC
- Next, start the game again and check if the issue has been resolved.
Launch the Game with Admin Access
Another reason behind this error code blzbntbgs7fffff01 on COD on your computer can be a lack of administrative rights. Usually, computers running Windows 10 or Windows 11 with more aggressive UAC (User Account Control) settings have this problem.
If neither the game launcher nor the game has administrator privileges, the connection with the game server may not be made correctly. Right-click on the game icon, select “Run as Administrator” from the context menu and check if this resolves the issue.
It should fix the COD Modern Warfare Warzone error code blzbntbgs7fffff01 and also should no longer appear when you launch the app with administrator access. The only issue is that you must repeat this procedure each time you start the game. Thankfully, you can modify Battle.net and the main game launcher executable’s properties to run with admin access even when they are opened normally(by double clicking).
Here are the steps for this:-
- First, close all of the Call of Duty instances and Battle.net running in the background completely
- Select “Battle.Net” from the context menu and right-click on it
- Next, select “Properties” and then tap on “Compatibility”
- Head to the “Settings” section of the Compatibility tab and select “Run this program as administrator” checkbox
- Click “Apply” to save it
- Now check if the error has been fixed by launching the game again.
Log out and Log in to Battle.Net
Another common reason behind this issue is an expired Battle.net login token. So, refresh the token first and check if it helps.
Only PC users have reported experiencing this issue and it usually arises when players spend a lot of time in lobbies(the PC goes to sleep and then wakes up). There is a very straightforward solution to this issue. Log out of the Battle.net app and then log in back.
Now, launch Call of Duty: Modern Warfare and try to join another multiplayer or Warzone server and check if the issue has been resolved.
Set the Correct Region in Battle.Net
A region-specific inconsistency is likely the cause of this kind of issue. As other impacted users have noted, it’s imperative to ensure that Battle.Net’s region is set correctly according to your location. While not essential for all games, it is important for those using dedicated servers to support online matchmaking, such as COD: Warzone.
The steps listed below will help you determine if you’re using the right region on Battle.Net:-
- Ensure no Call of Duty(Vanguard, Modern Warfare, or Warzone) game is running in the background
- Launch Battle.Net and then click on the gear icon. Select “Settings” and choose the proper region.
- Choose the game from the “Library” bar
- Next, click the region(the globe icon) and choose a proper server from the list of available regions
- Launch the game now and check if the issue has been resolved
Launch the Game via ModernWarfare.exe
The next step is to launch the game directly through the main executable (ModernWarfare.exe) if nothing else works for you. Some affected users who were previously encountering the blzbntbgs7fffff01 error confirmed that this operation fixed the issue for them. Since Battle.Net is a crucial game dependency, this will not entirely eliminate the possibility of it.
Try to access the game installation folder(right-click on the icon and select Open File Location) and check if you can avoid the game error by double-clicking on the main game executable (ModernWarfare.exe) after entering the main game folder, to see if it can resolve the issue as well.
If this workaround enables you to bypass Battle.Net servers and you are able to connect to Warzone servers without encountering the same problems, you may change the Target attribute of your game’s primary shortcut to always behave this way.
You must perform the following:
- Right-click on the Call of Duty: Warfare desktop shortcut and select “Properties”
- Next, select the Shortcut tab from the menu at the top, then change the Target tab so that it eventually points to “Modern Warfare Launcher.exe”(in the same game folder).
Verify the Game files Integrity
Any corruption in the game files also can cause this issue. So, you must confirm that the game files are not corrupted. After forcing the primary launcher(Battle.Net) to check the game files’ and dependencies’ integrity, several users who were experiencing the same error confirmed that the issue was completely fixed.
So, try this step as well to fix the COD Modern Warfare Warzone error code blzbntbgs7fffff01. Here is how to start a game repair process through the in-game Battle.Net settings:-
- Close all the Call of Duty instances running in the background
- Launch Battle.Net and log in using your account details
- Select the game and tap on the gear-shaped icon for Settings
- Select “Scan and Repair” to check the file integrity of Call of Duty
- Next, confirm the action. The scan and repair process will start.
- Once the procedure is finished, relaunch the game and check if the issue has been resolved.
Closing Thoughts
That’s all. We have mentioned here all the possible ways to fix the COD Modern Warfare Warzone error code blzbntbgs7fffff01 on a Windows 10 computer or laptop. If you’re still facing the issue after trying all the above steps, try reinstalling Windows and it should fix the issue. All the best!
Experiencing difficulties with your Device, check out our “How To” page on how to resolve some of these issues.
