Windows 10 comes with .NET framework 4.8 pre-installed. However, many applications developed since Windows Vista and Windows ...
Get the full package and try installing it. If that doesn't work, repair install; else, uninstall and install again. Make sure to get updates from Windows Update after installing.
Microsoft has warned Windows 11 users that they might experience issues launching and using some .NET Framework 3.5 applications. This known issue impacts only systems running Windows 11, version 21H2 ...