Changes
→Microsoft .NET Framework 3.5 SP1
Download from http://www.microsoft.com/downloads/details.aspx?FamilyId=AB99342F-5D1A-413D-8319-81DA479AB0D7 (choose/change your language and scroll down to "To download the full package, rather than the bootstrapper, click on the link below: .NET Framework 3.5 Service Pack 1 (Full Package)".
The "or" file check will skip the installation and mark the software as "installed" on hosts system that has 3dotnet3.5 preinstalled (e.g. Windows 7)
<source lang="xml">