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Fix Windows 10 failed to install error Code 80240020

Fix Windows 10 failed to install error Code 80240020: If you are seeing Error code 80240020 while updating to latest Windows then it means that your Windows has failed to install and there is something wrong with your system.

Fix Windows 10 failed to install error Code 80240020

Well, this is a big problem for some users because they can’t upgrade to the latest Windows because of the Error Code 80240020. But here at troubleshooter, we have found 2 fixes which seem to Fix Windows 10 failed to install error Code 80240020.

Fix Windows 10 failed to install error Code 80240020

Method 1: Modify registry to Allow OS Upgrade

Note: Modifying registry can seriously damage your computer (If you don’t know what you are doing) hence it is advised to backup your registry or create a Restore Point.

1.Press Windows Key + R to open run dialog box and type “regedit” (Without quotes) and hit enter to open registry.

Run command regedit

2.Now in registry navigate to the following:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\WindowsUpdate\OSUpgrade

3.If the OSUpgrade folder is not there you should create it by right-clicking on WindowsUpdate and select New then click on Key. Next, name the key OSUpgrade.

create a new key OSUpgrade in WindowsUpdate

4.Once you are inside OSUpgrade, right click and select New then click on DWORD (32-bit) Value. Next, name the key to AllowOSUpgrade and set it’s value to 0x00000001.

create new key allowOSUpgrade

5.Finally, close the Registry Editor and reboot your PC. Once your PC restart, try again to update or upgrade your PC.

Method 2: Delete everything inside SoftwareDistribution\Download folder

1.Navigate to the following location (Make sure to replace the drive letter with the drive letter where Windows is installed on your system):

C:\Windows\SoftwareDistribution\Download

2.Delete everything inside that folder.

delete everything inside SoftwareDistribution Folder

3.Now press Windows Key + X and then select Command Prompt(Admin).

Run command regedit

4.Type the following command in the cmd and hit enter:

wuauclt.exe /updatenow

wuauclt updatenow command

5.Next, from Control Panel go to Windows Update and your Windows 10 should start downloading again.

The above methods must have Fix Windows 10 failed to install error Code 80240020 but if you still have any queries regarding this post feel free to ask them in the comment’s section.

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Aditya Farrad

Aditya is a self-motivated information technology professional and has been a technology writer for the last 7 years. He covers Internet services, mobile, Windows, software, and How-to guides.

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