It may occur, that your application crashes after activating your license (online or offline).
The following error message is written to the log:
[WARN] StatusCodeWrapper`1..ctor(0): LexActivator.ActivateLicenseOffline [FAILURE] : InvalidSystemTime
[INFO] LicenseManagerBase.StatusCodeToKeyStatus(0): LicenseManager - Setting KeyStatus from 'Activating' to 'Unknown' in response to 'InvalidSystemTime'.
This is related to a manually set system time. To avoid this behavior please change your system time to "automatically":
After changing these settings, please restart your application.