diff --git a/Rally.RestApi.UiForWpf/SsoWindow.xaml.cs b/Rally.RestApi.UiForWpf/SsoWindow.xaml.cs
index 3685f8c..36b4938 100644
--- a/Rally.RestApi.UiForWpf/SsoWindow.xaml.cs
+++ b/Rally.RestApi.UiForWpf/SsoWindow.xaml.cs
@@ -1,4 +1,5 @@
-using mshtml;
+using System.Reflection;
+using mshtml;
 using Rally.RestApi.Auth;
 using System;
 using System.Collections.Generic;
@@ -39,6 +40,21 @@ public SsoWindow()
 		{
 			InitializeComponent();
 			browser.LoadCompleted += browser_LoadCompleted;
+			//browser.Navigated += (a, b) => HideScriptErrors(browser, true);
+		}
+
+		private void HideScriptErrors(WebBrowser browser, bool hide)
+		{
+			var fiComWebBrowser = typeof(WebBrowser).GetField("_axIWebBrowser2", BindingFlags.Instance | BindingFlags.NonPublic);
+			if (fiComWebBrowser == null) return;
+			var objComWebBrowser = fiComWebBrowser.GetValue(browser);
+			if (objComWebBrowser == null)
+			{
+				browser.Navigated += (o, s) => HideScriptErrors(browser, hide);
+				return;
+			}
+			objComWebBrowser.GetType()
+				.InvokeMember("Silent", BindingFlags.SetProperty, null, objComWebBrowser, new object[] { hide });
 		}
 		#endregion
 
diff --git a/Rally.RestApi/Json/DynamicJsonObject.cs b/Rally.RestApi/Json/DynamicJsonObject.cs
index 35f8ade..73a7bd3 100644
--- a/Rally.RestApi/Json/DynamicJsonObject.cs
+++ b/Rally.RestApi/Json/DynamicJsonObject.cs
@@ -120,6 +120,10 @@ private object FormatSetValue(object value)
 			{
 				return value;
 			}
+		    if (value is DateTime)
+		    {
+                return ((DateTime)value).ToString("yyyy'-'MM'-'dd'T'HH':'mm':'ss'.'fff'Z'");
+		    }
 			throw new ArgumentException("Attempt to set property to an unsupported type.");
 		}