
Solution 4: Reset Windows Update History and Files Step 2: Install downloaded stand-alone package. KB4457146: Security update for Adobe Flash Player: September 11, 2018 KB4456655: Servicing stack update for Windows 10, version 1803: September 11, 2018 Step 1: Visit Microsoft Update Catalog website to download stand-alone package for below update: Solution 3: Install Missing Windows 10 Update released September, 2018 Step 2: Under Country or region, select the country you want to use from the drop-down menu.

Step 1: Open Start > Time & language > Region & language. Step 3: Make sure Give me updates for other Microsoft products when I update Windows is checked. Step 1: Open Start > Settings > Update & Security. Reference Solution 1: Enable Windows Update Advanced Option

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.
