Bypassing the "Service Center" or "Native Access" requirements to add third-party or custom libraries to the Kontakt "Libraries" browser tab.
A patched version of Kontakt may not be as stable as the official release. If you are working on a professional project with a tight deadline, the official version from Native Access is always recommended to avoid crashes.
To understand why a patcher is often sought after, it's important to look at the evolution of the software:
Reliable patchers always create a .bak file of your original plugin so you can revert the changes if the software crashes. Common Use Cases