How to fix Windows10 Update Error code 80240020 (Windows 7) 7月 29, 2015 If you go to control panel windows update and got this code 1. Go to C:\Windows\SoftwareDistribution\Download and delete all the files 2. Open Command Prompt as administrator and type this command "wuauclt.exe /updatenow" 3. Done 閱讀完整內容