Call of Duty: Modern Warfare is one of the most popular first-person shooter games that has been loved by gamers for years. However, some PC players have reported that the game crashes on startup, which can be frustrating and ruin the gaming experience. If you're one of those players, don't worry - we've got you covered. In this article, we'll guide you through the steps to prevent Modern Warfare from crashing on startup on your PC. We'll cover several solutions, including updating your graphics card drivers, repairing game files, and disabling overclocking. Whether you're a beginner or an experienced player, our step-by-step guide will help you troubleshoot the issue and get back to playing the game without any crashes.

Update your Graphics Card Driver

Open up the GeForce Experience application (if you use an NVIDIA graphics card) to update the driver. In the Driver section, select Check for Updates or download and install the latest driver directly.

geforce+experience.png — GeForce Experience > Drivers > Download

Update your Windows Operating System

Open the Windows Update Settings window when searching for Updates in your taskbar. Select Check for Updates or download the latest version of your operating system and restart your Computer to get the most performance out of your components.

Verify the Integrity of the Modern Warfare Files

Right-click the Battle.net launcher shortcut and select Run as administrator. After opening up the Battle.net launcher as an admin, navigate to Modern Warfare and expand the options. After selecting Scan and Repair, the launcher will download and replace any missing or corrupted game files on your system. This could take a couple of minutes.

Integrity+of+game+files.png — Battle.net > Modern Warfare > Scan and Repair

Close 3rd-Party Applications

Open up your task manager to end all of the programs which can alter the game files or show an overlay while launching the game.

Ex.: Discord, GeForce Experience, Stream, CCleaner, Antivirus

Task Manager.jpg — Task Manager > Processes > End Task

Allow Call of Duty: Modern Warfare Through Firewall

One potential solution is to allow the game through your Firewall. Here's how you can do it: Start by searching for Windows Defender to open the Firewall control panel. Next, select "Allow an app or feature through Windows Defender Firewall" on the new window. On the new window, select "Change settings" and uncheck "Call of Duty: Modern Warfare." Then, click on "OK." By allowing the game through your Firewall, you can potentially fix the issue of Modern Warfare crashing on startup.

Windows Defender Firewall > Allow an app through Firewall

Adjust the Modern Warfare Config File

Open up your file explorer and navigate to: This PC > Documents > Call of Duty Modern Warfare > players2
Open the config.cfg file with a text editor, like notepad.
Ensure the setcl 1984923617 option is set to your native monitor resolution.