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?

Simple solution:- 

  1. Navigate to “C:\Windows\SoftwareDistribution\Download” and delete everything in that folder.
  2. Run Command prompt as an administrator and type “wuauclt.exe /update now“.
  3. 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.

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