Normally, if you click Download and install this feature, it will do just that are work perfectly well. However, if you are in an environment where WSUS is setup, you may find that when you try to install the .NET Framework 3.5 feature (or any other feature that requires to be downloaded from Windows Update) that you will receive this message:
The reason for this is that your machine is looking at the WSUS server for this update but cannot find it. So, you need to instruct your machine to forget the WSUS server when looking for these install files and download directly from the Windows Update web server.
To do this, there is either a local policy change you have to make (which I’ve not been able to find in Windows 8.1) or a registry change.
To make this as simple as possible, we have created a MSI installer that will do this for you:
All you need to do is download the file, install it, reboot your machine, then try the installation again. You will now find that your machine will download from the Windows Update web server:
Then complete the installation successfully:
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