Razer Cortex is designed to help you improve your game performance on PC.
However, some users complain an issue that Razer Cortex is crashing gaming on Windows for some reason.
How to fix Razer Cortex crashing games?
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It receives many favorable reviews.
However, every coin has two sides.
Razer Cortex is somehow not working as expected for some users and crashing games on Windows PC.

How did this crashing problem happen?
There are several potential causes:
How to fix this issue?
The following text will list a couple of solutions for reference.
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How to Fix Razer Cortex Crashing Games
Fix 1.
Update Windows OS
Step 1.
PressWin + Ito fire upSettings.
ChooseUpdate & Security > Windows Update.
Click onCheck for Updatesand download & install any new updates.
Fix 2.
Disable Overlay
The in-game overlay is designed to display real-time performance metrics such as FPS and CPU usage.
However, this feature can sometimes overload resources or conflict with other graphical processes, leading to game crashes.
Heres how to disable it:
Step 1.
Launch Razer Cortex and go to theIN-GAMEtab.
Locate and turn off theCUSTOM DISPLAYoption.
After that, look to see if your game works fine.
Fix 3.
Disable Auto Boost
Auto Boost is intended to automatically optimize your PC performance.
Turning off it may help:
Step 1.
Go to Razer Cortex and find theGAME BOOSTERtab.
Navigate to theAuto-Boostoption and toggle it off.
Fix 4.
Lets see how to check it:
Step 1.
PressCtrl + Shift + Escto openTask Manager.
It will show up the real-time graphs of CPU, memory, and GPU usage.
find out if there are any processes hogging resources.
If yes, consider terminating it.
After that, launch your game again to see if this move works.
Fix 5.
Uninstall Razer Cortex
Step 1.
PressWin + Sto openWindows Search.
Typecontrol paneland hitEnterto launch it.
Look forUninstall a programunderProgramsto uninstallRazer Cortex.
After a clean reinstallation, open Razer Cortex and your game to see if they work as expected.