Cities Skylines 2 is one of the most popular city-building games out there, but like any other game, it’s not immune to issues and errors.
One such issue that players have been encountering is the “System Update error during Prefabupdate” error.
This error can be frustrating and prevent players from enjoying the game to its fullest.
Fortunately, there are several ways to fix this error. In this article, we will discuss different methods that you can use to fix the “System Update error during Prefabupdate” error on Cities Skylines 2.

How To Fix System Update Error During Prefabupdate On Cities Skylines 2?
1. Verify Game Files
One of the most common reasons for the “System Update error during Prefabupdate” error is corrupted game files. To fix this issue, you need to verify the game files on Steam. Here are the steps:
- Open Steam and navigate to your game library
- Right-click on Cities Skylines 2 and select Properties
- Click on the Local Files tab and then click on Verify Integrity of Game Files
- Wait for the process to complete and then launch the game to see if the error is fixed
2. Reinstall The Game
If verifying game files doesn’t work, you can try reinstalling the game. Here are the steps:
- Open Steam and navigate to your game library
- Right-click on Cities Skylines 2 and select Uninstall
- Wait for the game to uninstall and then reinstall it by clicking on Install
- Launch the game to see if the error is fixed
3. Update Graphics Drivers
Outdated graphics drivers can also cause the “System Update error during Prefabupdate” error. To fix this issue, you need to update your graphics drivers. Here are the steps:
- Press Windows key + X and select Device Manager
- Expand Display Adapters and right-click on your graphics card
- Select Update Driver and then select Search automatically for updated driver software
- Wait for the process to complete and then restart your computer
- Launch the game to see if the error is fixed
4. Disable Antivirus
Sometimes, antivirus software can interfere with game files and cause the “System Update error during Prefabupdate” error. To fix this issue, you need to disable your antivirus temporarily. Here are the steps:
- Open your antivirus software and navigate to the settings
- Look for Real-time Protection or a similar option and turn it off
- Launch the game to see if the error is fixed
5. Contact Cities Skylines 2 Support Team
If none of the above methods work, you can contact the game’s support team for further assistance by clicking here. They may have a solution for your specific issue.
These are some of the methods you can use to fix the “System Update error during Prefabupdate” error on Cities Skylines 2. Try them out and see which one works for you.