> 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/launcher-download/3.md).

# Invalid Download File Alert

* This problem occurs when there is something wrong with the downloaded file.
* Please try reinstalling after deleting the downloaded file. If the problem persists, please contact Customer Service. (Customer Service: [https://help.netmarble.com/](< https://help.netmarble.com/>) )