Many users receive the 80240020 error during installation of the Windows 10 free upgrade. This annoying little bug is reportedly due to the overloaded Microsoft servers that make the installation files downloaded on your PC incomplete or corrupt. Some users try restarting their computers but it didn’t work. The issue is not still fixed.

If you find yourself with the error 80240020 while trying to upgrade to Windows 10, here are the steps that can help you fix it. Let’s check out now!

A lot of users find themselves with the 80240020 error while upgrading to Windows 10.

Step 1: Go to C:$Windows.~BT folder and make sure Hidden items are checked. Delete as many files and folders as possible.
Note: Some files cannot be deleted due to permission restrictions, but you should try deleting whatever you can.

Step 2: Head to C: > Windows > Software Distribution > Download folder and delete everything you find here

Now you need to go through the installation process once again to replace the corrupt files in your PC.

Step 3: Run Command Prompt utility in Administrator mode, look for “cmd from the Start menu, right-click on it and choose Run as Administrator. Now, you enter the following command and hit enter: wuauclt.exe/updatenow.

Step 4: Windows 10 download should automatically start. After the download completes, it will start Preparing for Installation and now you can install the update again.

Step 5: Press the Restart Now or Start the upgrade now button

Step 8: Let your PC restart a couple of times during the installation. After the installation completes, you just follow the on-screen instructions to enter the login screen.

Step 9: Enter your username/password to boot into the installed and configured desktop.

That’s it. Now, the 80240020 error you encounter while upgrading to Windows 10 should be fixed. If you have any problems, please feel free to leave comments below.