How to Fix Modern Warfare 2 Error 401

By Lidia Rozo | 2023-07-31 03:12:28

Learn how to fix Modern Warfare 2 Error 401 with our step-by-step guide. Quickly and easily resolve Error.
Modern Warfare 2 Error 401 is a common issue that many gamers encounter while trying to play this popular game. This error can be frustrating and prevent players from enjoying the game to its fullest. It is crucial to address this error to ensure a seamless gaming experience.

Verify & Repair the Integrity of Game Files

One of the first steps to fixing Modern Warfare 2 Error 401 is to verify and repair the integrity of the game files. This process involves checking for any corrupted or missing files and restoring them to their original state. To do this, follow these steps:

1. Open the Steam client and go to the "Library" tab.
2. Right-click on "Call of Duty: Modern Warfare 2" and select "Properties."
3. In the Properties window, navigate to the "Local Files" tab.
4. Click on "Verify Integrity of Game Files."
5. Wait for the process to complete, and Steam will automatically repair any corrupted or missing files.

Verifying and repairing the integrity of game files is essential as it ensures that all the necessary files are intact, reducing the chances of encountering Error 401.

Update Your GPU Driver

The GPU driver plays a vital role in running games smoothly, including Modern Warfare 2. Outdated or incompatible GPU drivers can lead to various errors, including Error 401. To update your GPU driver, follow these steps:

1. Determine the manufacturer and model of your GPU (graphics processing unit).
2. Visit the manufacturer's website (NVIDIA, AMD, Intel) and navigate to the drivers section.
3. Download the latest driver for your specific GPU model.
4. Run the downloaded file and follow the on-screen instructions to install the updated driver.

Updating your GPU driver ensures compatibility with the game and can resolve any conflicts that may be causing Error 401.

Update the Game

Keeping your game up to date is crucial for smooth gameplay and bug fixes. Developers often release patches and updates to address known issues, including Error 401. To update the game, follow these steps:

1. Open the Steam client and go to the "Library" tab.
2. Right-click on "Call of Duty: Modern Warfare 2" and select "Properties."
3. Navigate to the "Updates" tab and ensure that automatic updates are enabled.
4. If updates are available, Steam will automatically download and install them.

Updating the game ensures that you have the latest version, which often includes bug fixes and optimizations that can resolve Error 401.

Turn Off Your VPN and Optimize Your Internet Connection

Using a VPN (Virtual Private Network) or having a poor internet connection can sometimes interfere with online gaming, leading to errors like Error 401. To address this issue, you can follow these steps:

1. Disable your VPN software or disconnect from any VPN servers.
2. Restart your router to optimize your internet connection.
3. Close any unnecessary applications or processes consuming bandwidth.
4. Connect your computer directly to the router using an Ethernet cable for a stable connection.

By turning off your VPN and optimizing your internet connection, you can minimize network-related issues that may trigger Error 401.

Fixing Modern Warfare 2 Error 401 is essential for an enjoyable gaming experience. By following the steps outlined above, you can address the error and get back to playing the game without any hindrances. Remember to verify and repair game files, update your GPU driver, keep the game up to date, and optimize your internet connection. With these measures in place, you can overcome Error 401 and fully immerse yourself in the world of Modern Warfare 2.

Tags: MW2, Cod Modern Warfare 2, CODMW2, Call of Duty MW2, COD MW2

Genre(s): First-person shooter

Developer(s): Infinity Ward

Publisher(s): Activision, Square Enix

Mode: Single-player, multiplayer

Age rating (PEGI): 18+

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