3. Disable Steam Overlay
- Open Steam on your Windows.
- Head over to the Settings > Click on the In-Game option.
- Click on the checkbox to disable “Enable the Steam Overlay while in-game“.
- Once the checkbox mark is removed, click on OK.
4. Adjust Discord Settings
- Launch Discord > Click on User Settings.
- Select Voice & Video from the left sidebar.
- Scroll down a bit and click on Advanced.
- Next, disable OpenH264 Video Codec provided by Cisco System, Inc.
- Then disable Enable Quality of Service High Packet Priority.
- Now, go to Overlay.
- You can also turn off the in-game overlay.
- Next, head over to Appearance.
- Go to Advanced.
- Disable Hardware Acceleration.
- Once done, restart the system.
5. Adjust Nvidia Control Panel Settings
- Click on Adjust image settings with preview under 3D settings.
- Select Use the advanced 3D image settings.
- Next, launch the Nvidia Control Panel.
- Click on Manage 3D settings > Go to Global Settings.
- Additionally, you can also adjust some of the other options:
- Disable Image Sharpening
- Enable Threaded Optimization
- Use Maximum Performance for Power Management
- Turn off Low Latency Mode
- Set Texture Filtering Quality to Performance mode
6. Change AMD Control Panel Settings
- Go to Global Graphics.
- Turn off Radeon Anti-Lag
- Turn off Radeon Boost
- Use Application settings for Anti-Aliasing Mode
- Set Anti-aliasing Method to Multi-sampling
- Turn off Morphological Filtering
- Disable Image Sharpening
- Turn off Anisotropic Filtering
- Use Performance mode for Texture Filtering Quality
- You can also enable Surface Format Optimization
- AMD Optimization for the Tesselation Mode
- Wait for V-sync – Turn it off
- Use AMD optimization for the Shader Cache
- Disable OpenGL Triple Buffering
- Turn off Maximum Tesselation Level
- Set Graphics for the GPU Workload
- Turn off the Radeon Chill
- Disable Frame Rate Target Control
7. Verify Mortal Shell Game Files via Steam Client
The Mortal Shell gamers on Steam can follow the below steps:
- Open the Steam Library by logging into the account.
- You can find the Mortal Shell game here.
- Right-click on the game and click on Properties
- Select the Local Files tab
- Then click on Verify Integrity of Game Files
- Wait for the process and then restart the game to check whether the issue has been fixed or not.
8. Uninstall Recent Windows 10 Update
A couple of days ago, Microsoft has released a new update for Windows 10 with KB4535996. So, this particular cumulative update for Windows 10 is quite buggy and causing so many errors or problems.
- Go to Start menu > Click on Settings
- Next, go to Update and Security
- Click on View update history
- Now, if you can see that there is an update having KB4535996 has been already installed. Make sure to uninstall it.
- Here you will see Uninstall updates option on the top of the page.
- Click on it and select the mentioned cumulative update version.
- Right-click on it > Select Uninstall.
- It may take some time to delete that update and your system may restart automatically.
- Have some patience and you can also manually reboot your Windows PC (if required).
9. Remove Temporary Files
- Press Windows key + R on your keyboard to open the RUN program.
- Now, type %temp% and press enter
- You will get a bunch of temporary files on a page.
- Select all files by pressing Ctrl + A on the keyboard.
Next, press Shift + Delete on the keyboard to remove all the files.
- Sometimes some of the temporary files can’t be deleted. So, leave them as it is and close it.
10. Set Default CPU and Graphics Speed
Most users always want to use ultra-high performance from the CPU and GPU from the very first day. So, most of the users either buy an overclocked version or manually increased the overclocking speed. So, if you’ve also overclocked your GPU speed and after doing that you’re experiencing bottleneck or lagging or crashing-related issues, just set it to default mode.
You can also use the MSI Afterburner tool or Zotac firestorm application in order to lower the clocking speed. Once done, you can run the Mortal Shell game and check if the problem is fixed or not.
- Press Windows + R keys to open the Run dialog box.
- Now, type msconfig and hit Enter to open the System Configuration window.
- Go to the Services tab > Enable the Hide all Microsoft services checkbox.

- Check all the services from the list and click on Disable all.
- Click on Apply and then OK to save changes.
- Go to the Startup tab > Select Open Task Manager.
- Under the Startup tab from Task Manager.
- Click on the individual task that you want to disable. Only disable the higher impactful tasks.
- Once selected, click on Disable. [Make sure to disable the startup process one by one]
- Finally, restart your PC to take effect immediately.
12. Exclude the game on antivirus
It’s recommended to exclude or whitelist the Mortal Shell game files on the antivirus or security software on your PC to allow the game to run properly. To do so:
For Windows Firewall:
- Press the Windows + I keys to open Windows Settings.
- Now, select Update & Security > Click on Windows Security from the left pane.
- Select Firewall & network protection > Click on Allow an app through firewall.
- Find and select the Mortal Shell game file > Make sure to checkmark Private, Domain, and Public Network Settings.
- Finally, click on OK to save changes.
For Windows Defender:
- Press the Windows + I keys to open Windows Settings.
- Select Update & Security > Click on Windows Security.
- Click on Virus & Threat Protection > Go to Manage settings.
- Click on Exclusions > Select Add or remove exclusions.
- Next, click on Add an exclusion > Select Folder.
- Make sure to browse the Mortal Shell game folder > Set the game exclusion.
- Once done, make sure to restart your computer to apply changes.
That’s it. We hope this guide was useful to you. You can comment below for any queries.