i found some error message in XXX-genumotion-player.log2018-12-07T12:34:56+08:00 [Genymotion Player:10213] [debug] Start the device...2018-12-07T12:34:57+08:00 [Genymotion Player:10213] [debug] "User XXX logged on Hub"2018-12-07T12:34:57+08:00 [Genymotion Player:10213] [debug] POST QUrl( "https://cloud.genymotion.com/licenses/activation/" ) 2018-12-07T12:34:57+08:00 [Genymotion Player:10213] [warning] Boot failed 106 "Starting device failed"2018-12-07T12:34:57+08:00 [Genymotion Player:10213] [critical] Unable to start virtual device2018-12-07T12:34:58+08:00 [Genymotion Player:10213] [warning] Activation failed. Error: 10 - "HTTP code 403: Activation failed: license have never been registered Error downloading https://cloud.genymotion.com/licenses/activation/ - server replied: FORBIDDEN."2018-12-07T12:34:59+08:00 [Genymotion Player:10213] [critical] **** EXIT WITH ERROR ****2018-12-07T12:34:59+08:00 [Genymotion Player:10213] [warning] **** STOPPING VIRTUAL DEVICE ****2018-12-07T12:34:59+08:00 [Genymotion Player:10213] [debug] Exit status: 142018-12-07T12:34:59+08:00 [Genymotion Player:10213] [debug] [PlayerApp] Instance cleaned