After installing Windows 10 upgrade, control panel update history shows some files installation failed. What does this error mean? Is my Windows 10 installation process is unfinished or files corrupted?
- Navigate to “C:\Windows\SoftwareDistribution\Download” and delete everything in that folder.
- Run Command prompt as an administrator and type “wuauclt.exe /update now“.
- Navigate to Control Panel -> Windows Update. Windows 10 should start re-downloading files from scratch.
If this solution solves your “Windows 10 upgrade install Error Code 80240020”, inform us using the comment form.