cannot install .NET Framework 3.5
问题 I already have installed Microsoft Visual Studio 2008 SP1 and VS 2010 SP1. I'm using Windows 7. Then, I noticed in my Installed Programs in Control Panel that only the following were the installed .NET Frameworks: Microsoft .NET Compact Framework 2.0 SP2 Microsoft .NET Compact Framework 3.5 Microsoft .NET Framework 4 Client Profile Microsoft .NET Framework 4 Extended. For some reasons, when I was installing PowerCommands for Visual Studio 2008, it says that I need to install .NET Framework 3