Any problem in .NET Framework installation can also interrupt Windows Upgrade. Whether you are doing a Windows upgrade or installing the .NET Framework 3.5, you can use this fix.

If you want to enable .NET Framework 2.0 and .NET Framework 3.5 in Windows 11, then follow the steps mentioned in this article.

Microsoft has warned Windows 11 users that they might experience issues launching and using some .NET Framework 3.5 applications.