Can't install Silverlight Developer runtime

Question

I have installed VS 2010 professional with full installation in Windows 7.

I have installed Silverlight 5.0 separately.

When I create silverlight application, i

Answer 1

If you install Visual Studio 2012 or (now) release version you will overwrite .NET Framework 4.0 with 4.5 and apps created with 4.0 will need to be upgraded. .NET 4.5 is an in-place replacement to 4.0 not a side-by-side.