Fix Error 80240020 in Windows 10 Installation: Upgrading your Windows OS is always beneficial because it helps you resolve general Windows issues, upgrade and your system security and protect it and provide multiple features. 

Likewise, Windows 10 has been quite successful in doing that. Although it is considered a well-engineered operating system, Windows 10 still has lots of gaps that lead to multiple glitches. One of the errors you get while installing Windows 10 is Error 80240020.

Error 80240020, simply put, is a windows installation Error that users run into while trying to install or/and upgrade to Windows 10 on their PC.

While some users upgraded their PC without any problem, a significant amount of them encountered this error. This resulted in users unable to perform further action. 

Error 80240020 occurs when Windows 10 installation folder is corrupted or unfinished. Because of overloaded Microsoft Servers, the installation files weren’t downloaded correctly which led to them being corrupt or incomplete. 

An error box with a big red cross that reads  Some updates was not installed. Failed: 1 update Error(s) found: Code 80240020 Windows Update ran into a problem is displayed on the screen.


How to Fix 80240020 Error in Windows 10 Installation?

Windows recommends you to reboot your computer when you see this error but you can’t repair it just by rebooting your computer. For that, you’ll have to follow some troubleshooting methods. Before you begin, disable your security software and disconnect unwanted USB peripherals.

Modify Registry to allow Updates

Dealing with a registry is delicate because even simple blunders can cause huge issues so it is recommended that you create a restore point just in case something goes wrong.

  • Press Windows + R key top Open Run dialogue box.
  • Type in regedit and hit OK.
  • Navigate to


  • If you can’t find the OSUpgrade folder, you have to create one by right-clicking on WindowsUpdate then choose New and then Key and name it OSUpgrade.
  • Open OSUpgrade and once you’re inside, right-click and select New and then DWORD (32-bit) value. Name it AllowOSUpgrade and set its value to 0x00000001.
  • Now close the registry, reboot your PC and retry the upgrade.


Delete Some Files

  • Navigate to C:\Windows\SoftwareDistribution\Download and delete everything in that folder.
  • If you cannot delete
  • Open Command Prompt as Admin.
  • Type in ” net stop wuauserv ” and then press Enter.
  • Go to the same folder and try deleting the files again.
  • Once everything is deleted, Run the command prompt as Admin once again.
  • Type in ” wuauclt.exe /updatenow “.
  • Now go to Control Panel and then Windows Updates. Your Windows 10 will start installing again.


We hope that these simple steps have helped you to Fix the 80240020 Error in Windows 10 Installation. 


Leave a Reply

Your email address will not be published. Required fields are marked *