cant install native access (NTKDaemonService)

xxx

I recently accidentally uninstalled something from NI and now when I start my machine software (1.8) my controller (MK2) is no longer recognized

PoorFellow

https://community.native-instruments.com/discussion/31031/cant-install-native-access-ntkdaemonservice

What is your OS version , What is the N.A. version used ? What is the exact error message ? or screenshot of same !