when Tobii service is restarted – those error messages appears in event viewer –
2017-01-07 19:14:19,588  ERROR Tobii.Service.TobiiService [(null)] – EyeX Service: [StartProcess] EyeX Interaction Hub: Failed to launch process C:\Program Files (x86)\Tobii\Tobii EyeX Interaction\Tobii.EyeX.Interaction.Hub.exe –hidden on session 1.
2017-01-07 19:14:25,613  ERROR Tobii.Service.TobiiService [(null)] – EyeX Service: [LaunchProcessAsActiveLoggedOnUser] Failed to launch server process 0. CreateProcessAsUser failed with error code 2.
Last message is constantly created till tracker is unplugged.