> For the complete documentation index, see [llms.txt](https://loader-instructions.gitbook.io/loader-instructions/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://loader-instructions.gitbook.io/loader-instructions/errors/this-process-must-be-open.md).

# This process must be open

1. Ensure your overlay is run as admin (Steam or RivaTuner)
2. The process is different for each game, if guide told you to use rivatuner for your game then run rivatuner, and vice versa for steam.