COD: Modern Warfare 2 BLZBNTBNA0000001-2 On PC [2024]

Recently the MW2 player is experiencing An error has occurred while launching the game with the error code BLZBNTBNA0000001-2.

This error occurs due to a connectivity issue or corrupted game files.

Don’t worry about it!

The CPU Guide brings you the best working solution to solve error BLZBNTBNA0000001-2 on your PC.

Solution 1: Restart the Game

Whenever you encounter an MW2 error on your PC or any game bug, you should restart the game before trying any further solutions.

Restarting the game will eliminate any temporary error from the old cookies and cache or the system’s other software clashing with your gaming software.

All of these errors will be eradicated after a simple restart of the game/PC or any other platform you use.

Solution 2: Close Unwanted Programs on Windows 11/10

If there are too many programs running in the background, using too much internet/RAM/Disk can cause MW2 Error in BLZBNTBNA0000001-2 on PC on Windows 11.

Closing unwanted programs will help you eliminate MW2 errors.

So, let’s close unwanted programs:

Press Ctrl + Shift + ESC keys to open Task Manager
Now check which program is using more Network
Right-click on that program and select End task
And check if the error is solved or not.

Solution 3: Power Cycle Your Router

If the above solution didn’t work then this solution will work and provide a better internet connection which will help you solve the Modern Warfare 2 Error BLZBNTBNA0000001-2 on PC.

All you need to do is follow these steps:

Turn off your router entirely by taking out the power cable from the power switch.
Leave it for 5 to 10 minutes and then plug it back in.
And check if the Wi-Fi is visible to you or not.

Make sure you restart those devices affected in the process for an accurate fix.

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After power cycling your router it is better to Run your game as an administrator to avoid any error in MW2.

Solution 4: Run the Steam as an Administrator

Running the program as an administrator will definitely help you eradicate the Error as it might lack the privileges required to run the Application.

Here is how you can run the application as an administrator:

Go to the file/ folder.
Then go to the Game Launcher/Steam client.
Right-click on the Launcher icon
A menu will open
Select “Run as administrator “

Now the program will start running smoothly without giving you the error.

The above solution is a temporary fix that helps you run the program or access the folder. If you want to run the program permanently on the administrator, then follow the next solution.

Solution 5: Run the Steam as an Administrator (Permanently)

Go to the folder/Application
Right-click on it
A menu will open
Select Properties
A new window will open
Navigate to the “Compatibility Tab“
Under the Settings heading
Find “Run this Program as an administrator“
Check the box for this option
Click “Apply“

Now your program successfully Runs as an Administrator on Windows (Permanently) and you can easily open the program without repeating the steps again and again.

Solution 6: Disable The Steam Overlay

According to some of the players disabling the steam overlay on Windows, computers help them to play COD: MW2 BLZBNTBNA0000001-2 on PC.

Here are steps to Disable the Steam Overlays:

Open the Steam client
Go to the Library
Right-click on MW2 and select the properties
Select the General section
Now just uncheck the Enable Steam Overlay

If this solution is still not helping to solve error on MW2 then try performing a Clean boot.

Solution 7: Perform a Clean Boot

Clean boot will help you eliminate the unnecessary applications which are running on the backend.

And shut down any applications which are conflicting with each other.

How to perform a clean boot on Windows 11?

Here is how to perform a Clean Boot on Windows 11:

Press Windows Button + R Key
The Run Dialogue Box will appear
Type “MSConfig“
Press Enter
The System Configuration window will open
Select Services tab
Uncheck all the unnecessary services
Only check those you need now
Now click OK

Now your clean boot is done, and it eliminated the unnecessary services which will enable you to play MW2.

If the error persists, then proceed to the next solution to solve Modern Warfare 2 unable to update on PC.

Solution 8: Keep your PC Updated

Sometimes your outdated PC is the main cause of the Outdated Graphics Card Driver on Windows.

Outdated drivers in your PC or your current Windows Version cannot support Modern Warfare 2 or other gaming software. As you update your Windows all running drivers are updated too.

So, here is how you can update your PC:

Click on the Windows icon
Click on the Settings icon
A new window will pop up
Select Windows Update from the left menu
The new Windows will pop up
Then click on Check for updates.
If there is any update it will start updating the PC.

You can also update your graphic drivers through Windows Update too.

Solution 9: Update Graphics Card Driver with Windows Update

Updating the graphic drivers will help you have a better and more stable graphical experience.

This will fix the “ErrorBLZBNTBNA0000001-2” and you will play MW2 without getting errors.

Here is how you can update drivers via optional updates:

Click on the Windows icon
Click on the Settings icon
A new window will pop up
Select Windows Update from the left menu
The new window will pop up
Now select Advanced options
Click on Optional updates
A new window will open
Click on the drop-down button for Driver updates
Now, select your desired drivers
Now press the Download & Install button

If you cannot update your drivers through Windows Update, then you can try updating the Graphics Drivers through Device Manager

Solution 10: Update Graphics Card Driver via the Device manager

We can update outdated graphic drivers in multiple ways.

If you cannot update your graphic drivers by updating Windows, you can try updating through the Device Manager too which in return will fix Error BLZBNTBNA0000001-2 on your PC.

Here is how you can update drivers through Device Manager:

Click on the Search icon
Type Device Manager
Click to open Device Manager
Then select the Display adapters
A further menu will open
Right-click on the graphic card name
Click on the Update driver

Rolling Back the Driver:

If you experiencing the issue after updating your graphic drivers, then you can roll back the driver’s recent update

Here is how you can roll back drivers:

Click on the Search icon
Type Device Manager
Click to open Device Manager
Then select the Display adapters
A further menu will open
Right-click on the graphic card name
Click on the Properties
A graphic card properties Windows will open
Navigate to the Driver Tab
There is an option for “Roll Back Drivers”. Click on it
If the option of “Roll Back Drivers” is greyed out, this means that the driver did not update recently.

If this solution didn’t fix BLZBNTBNA0000001-2, then update the external GPU driver.

Solution 11: Check for Driver’s Updates of GPU/Video Card of different company

When our video card has outdated drivers, it’s unable for GPU to align with the modern gaming experience and starts causing this error

So, we recommend updating the video card drivers.

Here are the direct links to the main GPU Making Companies:

After updating the GPU drivers and checking whether the error BLZBNTBNA0000001-2 on PC is fixed or not.

If the above solution didn’t work out for you, then try the next solution.

Solution 12: Verify the Game Files

Sometimes the game file will get corrupted or get deleted, which eventually causes MW2 Errors.

Verify Game File in Steam

Follow the steps to verify the game file on steam software:

Launch the Steam Software
Now login in the steam
Navigate to the library
Select the game and right-click on the game
Now select properties
Now click on the “Local file” Option
A further menu will open
Click on the “Verify Integrity of the Game Cache“
Now the software is verifying the files, and this will take some time.

Sometimes the game file will get corrupted or get deleted which eventually causes error on the PC.

What is Steam software used for?

Steam software is an online platform that is used to play games and also hosts over 10,000 games.

This software allows the user to make a community and play games on the same platform.

Is Steam a virus? Can steam harm your computer?

Steam is a client gaming software that allows users to enjoy gaming by building the best community around them.

In current times, Steam has over 120 million active players around the world.

When you play games on Steam, your PC might get occupied, but it will not harm your computer.

Solution 13: Scan and Repair Via Battle.Net

Sometimes the software you are using to play Call Of Duty Warfare may have some corrupted files

Which lead to Warfare Error MW2 BLZBNTBNA0000001-2 .

How do you scan and repair in modern warfare?

So here is how you scan and repair in Modern Warfare:

Make sure the COD Modern Warfare 2 is not running in the background.
Launch Battle.net and select Game from the top menu.
Click on COD Modern Warfare 2.
Now click on Options and select Scan & Repair.
Click on Begin Scan.
After the process is complete restart your PC.

If this didn’t help you solve then follow the next solution

If the game still crashes in the middle of the update and you use the VPN service then it’s time to change the VPN to a better one.

Solution 14: Switch to a More Reliable VPN

Free VPN did not allow you to stream at full speed they set a limit to the free version which is not a very good internet speed for working or gaming.

The premium VPNs help players to achieve an uninterrupted gaming experience and will not compromise the FPS and ping of the game.

For your convince, I am listing down some most reliable plus they are working with other users without having any error

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