Today, we will introduce another situation for you Warzone not launching PC in Windows 11/10.
According to users, Warzone wont launch no matter what they do.
The good news is that you might easily fix this issue.
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Lets see how to troubleshoot the COD issue.
Get the error code Bravo/Negative 345 Blazing Gator when playing Call of Duty: Black Ops Cold War?
Try the given solutions in this post to fix it now.

Step 2: sign in to your account and open Warzone.
Step 1: fire up the Battle.net client and navigate to the Warzone page.
Step 2: Click thegearicon and chooseScan and Repair.

After checking, if you still cant start Warzone on PC, try other ways.
If Warzone wont launch in Windows 11/10, update the GPU driver now.
Go to the website of NVIDIA, Intel, or AMD and download a proper GPU driver.

Then, install it on your PC.
Here is a related article for you How to Update Drivers in Windows 11?
Try 4 Ways Here.
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Step 1: Run Command Prompt with admin rights in Windows 11/10.
Step 2: pop in insfc /scannowand pressEnter.
Do the thing below:
Step 1: Typefirewallin the search box and clickFirewall & connection protection.
Step 2: ClickAllow an app through firewall > Change parameters.
Step 3: Check thePrivateandPublicboxes for Battle.net.
If you have any other methods, tell us in the comment section.
How to fix error code Yorker 43 Good Wolf in Call of Duty: Black Ops Cold War?
This post gives you multiple ways to solve this error on a PC.