Steps to reproduce:
1. Build and run AngryBots project
2. Play for a while
3. An exception to player log will be thrown:

Exception: External component has thrown an exception.
Type: System.Runtime.InteropServices.SEHException
Module: UnityEngineProxy
InnerException: <No Data>
AdditionalInfo:Invoking UnityEngine.GUIUtility::BeginGUI method with argument count: 3
at UnityEngineProxy.InternalCalls.GUIStyle_Get_Custom_PropFixedWidth(Object self)
at UnityEngine.GUILayoutEntry.ApplyStyleSettings(GUIStyle style)
at UnityEngine.GUILayoutGroup.ApplyStyleSettings(GUIStyle style)
at UnityEngine.GUILayoutEntry..ctor(Single _minWidth, Single _maxWidth, Single _minHeight, Single _maxHeight, GUIStyle _style)
at UnityEngine.GUILayoutGroup..ctor()
at UnityEngine.GUILayoutUtility.Begin(Int32 instanceID)
at UnityEngine.GUIUtility.BeginGUI(Int32 skinMode, Int32 instanceID, Int32 useGUILayout)
at lambda_method(Closure , Object , Object[] , Int32 )
at WinRTBridge.MethodTools.InvokeMethod(Object instance, Int32 methodIndex, Object[] args)