Steps to repair error 80240020 while installing Windows 10 free upgrade
Very firstly go to $Windows.~BT folder in C
: and make sure that all the Hidden items
option is checked in the window toolbar section. And try to remove almost all the files and folders. It may also happen that some of the files you are not able to delete as because of the permission issue.
Now delete the entire things in the C: > Windows > Software Distribution > Download folder.
Then execute the command prompt as an administrator and look for 'cmd' from the starts menu or screen and click right on it and select the 'Run as Administrator' from the context menu.
Type the command "wuauclt.exe /updatenow
" and hit the enter button.
Wait for couple of minutes and then verify for presented updates eg. Windows update. The downloaded Windows 10 start automatically with the actual downloaded size, it mainly depends on the current installed version on your PC.
As the downloading finished, 'Preparing for Installation' will start after that you can attempt to install the update again.
You are able to see the message prompt "Upgrade to Windows 10 is ready". You need to just press the Restart Now
or Start the upgrade now
button on the screen
And now your PC restart and the Windows 10 installation begins automatically. The process is comprised of three phases:
- Copying files
- Installing features and drivers
- Configuring settings
Let the PC to reboot for pair of times during the installation and for this you need to wait for 10-15 minutes for finishing, it depend on the size of the file and also the speed of the PC
As the installation is completed, a welcome screen will prompt and then you need to follow the on-screen instruction to enter the login screen
Lastly type your username and password for booting into the newly installed and configured Windows 10 desktop. How To Fix the 80240020 Windows 10 Installation Error