not able to remote control a windows 7 desktop.  the K-VNC 4.x Install showes errors

FAILED in processing THEN step 4, Execute File, with error Command Message Timed Out, C:\companyname\working\vnc-E4_6_3-x86_win32.exe /SP- /VERYSILENT /NORESTART /COMPONENTS=WinVNC

I have this problem with 3 pcs.  I would like to get this resolved.  Any help would be great