: Copy the microsoft-windows-netfx3-ondemand-package.cab file to the root of your system drive (usually C:\ ).
The CAB file is either for the wrong architecture (e.g., amd64 on x86) or language mismatch. Download Microsoft-windows-netfx3-ondemand-package.cab
This often means the CBS manifest is locked, or the system is in a pending restart state. : Copy the microsoft-windows-netfx3-ondemand-package
: Ensure your /Source path is exactly where the .cab file is located. Download Microsoft-windows-netfx3-ondemand-package.cab
(which includes .NET 2.0 and 3.0) on Windows systems without an active internet connection. Core Functionality