I have a problem regarding the LAB you provided, when i try to build the solution 6 errors occur all the same stating:

"Unknown build error, 'Method not found: 'Void System.Windows.ThemeInfoAttribute..ctor(System.Windows.DictionaryLocation, System.Windows.DictionaryLocation)'.'  C:\Documents and Settings\administrator\Desktop\PRS305_Relyea\Lap\MyApp.xaml Lap"

I have the following applications installed on my machine:
- Visual studio 2005.
- Microsoft windows SDK (the latest version December release)
- WinFX runtime components 3.0 beta 2
- Visual studio 2005 extension for winFX

So if anyone can help me with this issue i will be more than grateful

Thank You!