Program Failed to Install from Download - UAC
It is possible that if you are running Windows Vista / 7 that your User Account Control (UAC) is precluding the download from installing.
Turn off your UAC through the User profile and try again.
To turn UAC off:
- Click on the Windows "Start" button,
- Then Click on the picture associated to your login name.
- Click on "Turn User Account Control on or off",
- Un-check "Use User Account Control...",
- Click "OK".