IF for any reason you will need to Un-Install your SBox for to make NEW & FULLY FRESH installation, you need to clean your Registry from some left back traces... So, use the Regedit and DELETE/REMOVE from your Registry these Values... For Citroen: [HKEY_LOCAL_MACHINE\SOFTWARE\BackupAC] [HKEY_LOCAL_MACHINE\SOFTWARE\DocBackupAC] [HKEY_LOCAL_MACHINE\SOFTWARE\SEDREAC] [HKEY_LOCAL_MACHINE\SOFTWARE\SDR] [HKEY_CURRENT_USER\Software\SDR] (IF existing...) For Peugeot: [HKEY_LOCAL_MACHINE\SOFTWARE\BackupAP] [HKEY_LOCAL_MACHINE\SOFTWARE\DocBackupAP] [HKEY_LOCAL_MACHINE\SOFTWARE\SEDREAP] [HKEY_LOCAL_MACHINE\SOFTWARE\ZDB] [HKEY_CURRENT_USER\Software\ZDB] (IF existing...) Now, you can start your NEW & FRESH installation...