Uninstall everything that starts with "Microsoft .NET," doing newest versions first. Note: Windows 8, 8.1, and 10 systems do not list "Microsoft .NET" as an installed program. Looking at "View installed updates" in Programs and Features in Windows 8 and 8.1, it may be possible to find the corresponding KB number and remove it that way. To

How to install and uninstall updates in Windows 8 - Windows Apr 28, 2013 Repair or remove programs in Windows 10 Jun 13, 2019 Upgrade to Windows 10: FAQ - Windows Help May 28, 2020 How to uninstall Windows 10 and revert back to Windows 7

How to Clean Install Windows (Delete & Reinstall)

Repair or remove programs in Windows 10 Jun 13, 2019

Upgrade to Windows 10: FAQ - Windows Help

Uninstall Norton device security on Windows Jul 13, 2020 How to remove Windows 10 from your computer | BT Feb 20, 2019 How to Remove Windows 10 / 8 and Install Windows 7