This article explains how to resolve update installation issues with Native Instruments products. If you are a TRAKTOR user and are experiencing problems when installing a TRAKTOR update, please consult this article instead.
When installing an application update you may receive an error message like the one below: Installation folder not found! Please install from the original installation medium first.
The message indicates that the application could not be found in the folder where the installer expects it because it has been moved to another location.
Repair the product installation as explained in this article.