.NET Framework 4 installer error (HRESULT: 0xc8000222)

 Summary: .NET Framework 4 failed to install because of error code HRESULT: 0xc8000222.

Cause:

Some files corrupted in the Software Distribution folder.

Solution:

Download Fix_0xc8000222.zip.

Extract the Fix_0xc8000222.bat in the zip file to a folder.

Right-click on the Fix_0xc8000222.bat and select Run as Administrator.

What this batch file does:

1) Disables Windows Update Service.

2) Deletes the C:\Windows\SoftwareDistribution folder which was locked by Windows Update service.

3) Restarts Windows Update Service.