Are you encountering the frustrating “Unity Networking Config Mismatch” error while trying to play Lethal Company? Don’t worry, you’re not alone.
Many players have faced this issue, but the good news is that there are solutions available.
In this blog, we’ll explore effective methods to resolve the “Unity Networking Config Mismatch” error in Lethal Company, allowing you to get back to enjoying the game without interruptions.
How To Fix “Unity Networking Config Mismatch” In Lethal Company?

To Fix “Unity networking config mismatch” in Lethal Company, you can update Lethal Company, verify Lethal Company game files integrity, and force close Lethal Company on PC. Additionally, you can restart your device, and delete .pdb files.
1. Update Lethal Company
Updating Lethal Company is crucial as it ensures that all players are using the same version of the game, which is necessary for compatibility and can prevent a Unity Networking Config Mismatch error.
- Open the Steam client on your PC and go to the ‘Library‘ section.
- Right-click on Lethal Company in your game list.
- Select ‘Properties‘ from the context menu.
- Go to the ‘Updates‘ tab within the Properties window.
- If there’s an update available, Steam should automatically download and install it. Ensure that the option ‘Always keep this game updated‘ is selected.
- Once the update is complete, restart Steam.
- Launch Lethal Company to check if the Unity Networking Config Mismatch error has been resolved.
2. Verify Lethal Company Game Files Integrity
Verifying the integrity of game files is necessary because corrupted or incomplete files can lead to a Unity Networking Config Mismatch error.
This process can repair any damaged files, which might fix the error.
- Open the game platform client (e.g., Steam) and navigate to your game library.
- Right-click on Lethal Company and select ‘Properties‘.
- Go to the ‘Local Files‘ tab and click on ‘Verify integrity of game files‘.
- Wait for the process to complete, then restart the game.
3. Force Close Lethal Company On PC
Force closing the app can effectively reset the game’s state on your PC, which may clear up any temporary issues causing the config mismatch.
- Press Ctrl + Shift + Esc to open the Task Manager.
- Look for Lethal Company in the list of processes.
- Click on it and then click ‘End Task‘ to force close the application.
- Restart the game and check if the networking issue persists.
4. Restart Your Device
Restarting your device can fix a multitude of issues by clearing the RAM and resetting network connections, which might be causing the Unity Networking Config Mismatch error.
- Shut down your PC through the Start menu or by pressing Alt + F4 and choosing ‘Shut down‘.
- Wait for a few moments, then turn your PC back on.
- Once your PC has restarted, open Lethal Company and attempt to connect to the network again.
5. Delete .pdb Files
Deleting .pdb files can potentially fix the issue if the mismatch error is specifically related to debugging conflicts within Unity, as indicated by some users’ experiences.
- Navigate to the game’s installation directory on your device.
- Locate and delete the “.pdb” files, which are the program database files used for debugging.
- Ensure you leave the core game folders intact, such as the “Advanced company” folder and any necessary DLL files.
- After removing the .pdb files, launch Lethal Company to check if the Unity Networking Config Mismatch error has been resolved.
6. Check Server Status Of Lethal Company
Checking the server status is essential because if the Lethal Company server is down, it might be the cause of the Unity Networking Config Mismatch error.
When the server is back online, the issue may resolve itself.
- Visit the official Lethal Company website to check for any announcements regarding server maintenance or downtime.
- You can also check community forums or social media channels for any reports on server issues.
7. Uninstall And Reinstall Lethal Company
Uninstalling and reinstalling Lethal Company can resolve the Unity Networking Config Mismatch error by replacing all game files with fresh copies, which ensures that there are no corrupt or outdated files causing the issue.
- Uninstall Lethal Company through the game platform client or ‘Add or Remove Programs‘ in the Windows Settings.
- Restart your PC to clear any temporary files.
- Reinstall Lethal Company from the original source.
- Launch the game to see if the networking error has been fixed.
8. Contact Lethal Company Support

If you’ve tried the previous fixes and the “Unity Networking Config Mismatch” error persists, reaching out to Lethal Company’s support team may provide you with a solution tailored to your specific situation.
The support team may have access to additional resources.