The imported project “C:\Microsoft.CSharp.targets” was not found

Question

I got this error today when trying to open a Visual Studio 2008 project in Visual Studio 2005:

The imported project \"C:\\Microsoft.C

Answer 1

I got this after reinstalling Windows. Visual Studio was installed, and I could see the Silverlight project type in the New Project window, but opening one didn't work. The solution was simple: I had to install the Silverlight Developer runtime and/or the Microsoft Silverlight 4 Tools for Visual Studio. This may seem stupid, but I overlooked it because I thought it should work, as the Silverlight project type was available.