LevelOne NVR-0216 - Manual (Page 16)

16 [NVR MANAGEMENT SOFTWARE USER MANUAL]
Installing NVR Management Software on Windows Vista/7:
Due to the UAC (User Access Control) function introduced in Windows
Vista/7, it’s required the software to be installed with administrator
privilege. To do so, launch the installer by right-clicking the setup file
and choose “Run as Administrator”.