Corrupt License Error
Posted by Matthew Yetter on 21 May 2018 07:06 AM
Windows released a major update over the weekend which proved to be sufficiently major to trigger an error in the licensing system for ZBrush, ZBrushCore and the ZBrush to KeyShot Bridge.
If you get an error about a corrupt license, please follow the steps in the appropriate Knowledgebase article:

This will fix the error, allowing you to return to work immediately.
Thank you.