When I start up VS 2008 to work on a WPF / Silverlight App and open a XAML or XML file the XAML / XML editor is no longer working. The designer does not show up and intelli
Try running the following command.
"%ProgramFiles%\Microsoft Visual Studio 9.0\Common7\ide\devenv" /resetSkipPkgs
If that doesn't work try repairing the Visual Studio Install