You must install a special patch from the following link to fix this issue. http://208.57.226.44/netZeye/Download/8.01/passdll.exe 1) Run the patch files. 2) Hit run again. 3) Copy PassDll.dll and then paste to GV-folder (ex. For GV-1480, browse to C:\GV1480) , click Browse button to change destination folder. Click Install to start copying files to the above folder and begin setup of drivers... Then, restart the system.