Same error, however, running as administrator does not fix it:
[12:40:20 PM:253] Loading Honorbuddy 2.0.0.4129 settings.
[12:40:21 PM:323] Authenticating..
[12:40:21 PM:903] Buddy Sessions: 0/0
-----
Shared Sessions: 1/3
[12:40:22 PM:798] Error - Endscene hook failed: Value cannot be null.
Parameter name: EndSceneProc passed to Executor constructor was invalid.
[12:40:22 PM:819] Attached to WoW with ID 5160
[12:40:24 PM:357] Error saving settings.
[12:40:24 PM:359] System.TypeInitializationException: The type initializer for 'Styx.Helpers.CharacterSettings' threw an exception. ---> System.Exception: Invalid executor used in GetObjectName
at System.Windows.Forms.Control.MarshaledInvoke(Control caller, Delegate method, Object[] args, Boolean synchronous)
at System.Windows.Forms.Control.Invoke(Delegate method, Object[] args)
at System.Windows.Forms.Control.Invoke(Delegate method)
at ..?()
at ..?(Object o)
at System.Threading._ThreadPoolWaitCallback.WaitCallback_Context(Object state)
at System.Threading.ExecutionContext.runTryCode(Object userData)
at System.Runtime.CompilerServices.RuntimeHelpers.ExecuteCodeWithGuaranteedCleanup(TryCode code, CleanupCode backoutCode, Object userData)
at System.Threading.ExecutionContext.RunInternal(ExecutionContext executionContext, ContextCallback callback, Object state)
at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
at System.Threading._ThreadPoolWaitCallback.PerformWaitCallbackInternal(_ThreadPoolWaitCallback tpWaitCallBack)
at System.Threading._ThreadPoolWaitCallback.PerformWaitCallback(Object state)
--- End of inner exception stack trace ---
at ..()
[12:40:24 PM:367]
This is from my logs.