Solution 3: Install Missing Windows 10 Update released September, 2018 Solution 2: Make sure Country or region setting is correct Solution 1: Enable Windows Update Advanced Option Problem: Windows 10 unable to perform Windows Update with error “Your device is missing important security and quality fixes.”, after clicking on “Check for updates” button still showing “You’re not up to date” message with same error message.Īdditionally, Windows 10 System Tray show Windows Update error icon with red exclamation mark as below.
