> For the complete documentation index, see [llms.txt](https://launcher-docs.netmarble.com/faq-en/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://launcher-docs.netmarble.com/faq-en/game-launch/6.md).

# Error Occurred During Gameplay

* This error message is displayed when an unauthorized program is running alongside the game. Please restart your PC and try again.
* If it is difficult to determine which program is causing this error, please try running only programs related to the game. If problems persist even after closing other programs, please reboot your PC before trying to launch the game again.