How to Solve Error Code 0x80070020 Windows 10 Update

 This Error Code 0x80070020 is commonly caused due to the .NET framework installation failure. These are the following ways in which you can attempt to correct this error.

https://www.winchatsupport.com/0x80070020-windows-update-error/ 

Solution to Error Code 0x80070020 :

This .NET Framework 3.5 for Windows 10, 8 & Windows 8.1 won’t come with pre-installed. Windows 8, Windows 8.1 or Windows 10, and must be separately enabled to run applications that depend on it. To enable the .NET Framework 3.5 in Control Panel to avoid Error code 0x80070020.

Note: Make sure you have set correct Date and time on your computer, try to install pending updates through other available networks. Run windows update troubleshooter.

1. Control Panel> Programs and Features.
2. Turn Windows features on or off then check .NET framework 3.5. The pre-requisites should installed.
3. If it is not successful uninstall the KB’s related to .NET framework 3.5 and then re-install them.
4. Restart your computer if needed.

If the windows update error code 0x80070020 still exists, follow some more steps to fix the issue and install/upgrade/update your operating system.