While installing McAfee activate on Windows, the installation sometimes fails with a message visible on-screen- “We are facing difficulty in installing McAfee programming due to the McAfee Error 0”. This specific error may occur due to the issues LIKE windows is not running effectively and reacts slowly to other input devices. This error arises when you install McAfee product via mcafee.com/activateor offline. You can fix this error by visiting the official website mcafee.com/activate.