Wednesday, June 30, 2010

Unable To Open Silverlight 4 Project In Visual Studio 2010

Just had this issue: Opening a project created on another machine threw an error in Visual Studio 2010. The output window contained this message:

The imported project "C:\Program Files (x86)\MSBuild\Microsoft\Silverlight\v4.0\Microsoft.Silverlight.CSharp.targets" was not found. Confirm that the path in the <Import> declaration is correct, and that the file exists on disk.

The problem is that I didn’t have the Microsoft Silverlight 4 Tools for Visual Studio 2010 installed. This can be downloaded from here:

Friday, June 11, 2010

Unable to start debugging. The Silverlight managed debugging package isn’t installed.

Just had this problem – Installed Visual Studio 2010 (which installs Silverlight 4), then used Visual Studio 2008 to open a Silverlight 3 project, tried to debug it, and POW!


I fixed it by installing the Silverlight Windows Developer Runtime, as linked to from