If you're receiving an error message such as, "An error occurred while updating (app running)", please follow the various steps below to try launching the game. You may want to repeat Steps 1 - 3 if the issue keeps occurring.
- Open the Task Manager (Ctrl+Shift+ESC) and locate the "nxsteam.exe" process under the Processes tab.
- Close the "nxsteam.exe" process by selecting it and clicking "End task".
- Try launching the game again through the Steam Library.
- If the problem persists, try closing Steam (through Task Manager if needed) and open Steam again.
- Try launching the game again through the Steam Library.
- Restart your PC.
- Launch Steam and try launching the game again through the Steam Library.
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Perform a Repair Installation for the game through Steam.
- Once the Repair Installation is complete, try launching the game again through the Steam Library.
- Use the Nexon Launcher instead to download and launch the game.