- Import the attached unitypackage
- With Unity and the contents of that package still open, create a new Project

You will get this error int he Console:
"Recursive Serialization is not supported. You can't dereference a PPtr while loading. (Constructors of C# classes may not load objects either eg. EditorGUIUtility.TextContent should be moved to OnEnable. See stacktrace.)
UnityEditorInternal.InternalEditorUtility:LoadSerializedFileAndForget(String)
UnityEditor.WindowLayout:LoadWindowLayout(String, Boolean) (at C:\buildslave\unity\build\Editor\Mono\GUI\WindowLayout.cs:482)

[C:/buildslave/unity/build/Runtime/Serialize/PersistentManager.cpp line 1037]
(Filename: C:/buildslave/unity/build/Editor/Mono/GUI/WindowLayout.cs Line: 482)"

Started happening sometime after 5.0 beta 8