> For the complete documentation index, see [llms.txt](https://support.babylonwaves.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://support.babylonwaves.com/trouble-shooting/spitfire-kontakt-library-switching-doesnt-work-at-all.md). # Spitfire Kontakt Library switching doesn't work at all Chances are that this is easy to fix. You probably need to switch the Spitfire instrument to UACC KS.
![](https://eucattachment.freshdesk.com/inline/attachment?token=eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJpZCI6ODAxODkwODY3MjgsImRvbWFpbiI6ImJhYnlsb253YXZlcy5mcmVzaGRlc2suY29tIiwiYWNjb3VudF9pZCI6MjAwMjc3M30.T-CpAdIDoQgN2xSddT7ljJMRWcRWbDU2GhUAxblT31Y)
![](https://eucattachment.freshdesk.com/inline/attachment?token=eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJpZCI6ODAxODkwODY4NDYsImRvbWFpbiI6ImJhYnlsb253YXZlcy5mcmVzaGRlc2suY29tIiwiYWNjb3VudF9pZCI6MjAwMjc3M30.0omTc9wCfiSds0ywF64k5X496Y_6vN9g-90p-43QEf0) Details on the configurations of Spitfire Kontakt libraries can be 🔗 [found here](/set-up-your-libraries/spitfire-kontakt-libraries.md)