diff --git a/Greenshot/Destinations/EmailDestination.cs b/Greenshot/Destinations/EmailDestination.cs
index eae59d05a..8483d7e2b 100644
--- a/Greenshot/Destinations/EmailDestination.cs
+++ b/Greenshot/Destinations/EmailDestination.cs
@@ -40,7 +40,7 @@ namespace Greenshot.Destinations {
 		static EmailDestination() {
 			// Logic to decide what email implementation we use
 			if (EmailConfigHelper.HasMapi()) {
-				_isActiveFlag = true;
+				_isActiveFlag = false;
 				_mapiClient = EmailConfigHelper.GetMapiClient();
 				if (!string.IsNullOrEmpty(_mapiClient)) {
 					// Active as we have a mapi client, can be disabled later
diff --git a/GreenshotOfficePlugin/OfficePlugin.cs b/GreenshotOfficePlugin/OfficePlugin.cs
index da14f7683..1db639e85 100644
--- a/GreenshotOfficePlugin/OfficePlugin.cs
+++ b/GreenshotOfficePlugin/OfficePlugin.cs
@@ -107,7 +107,8 @@ namespace GreenshotOfficePlugin {
 		/// <summary>
 		/// Implementation of the IPlugin.Configure
 		/// </summary>
-		public virtual void Configure() {
+		public void Configure() {
+            throw new NotImplementedException();
 		}
 	}
 }
diff --git a/GreenshotOfficePlugin/Properties/AssemblyInfo.cs b/GreenshotOfficePlugin/Properties/AssemblyInfo.cs
index 4ad912b84..cd86fb7ca 100644
--- a/GreenshotOfficePlugin/Properties/AssemblyInfo.cs
+++ b/GreenshotOfficePlugin/Properties/AssemblyInfo.cs
@@ -28,7 +28,7 @@ using System.Runtime.InteropServices;
 // associated with an assembly.
 [assembly: AssemblyDescription("A plugin to export images to Office applications")]
 // The PluginAttribute describes the "entryType" and if the plugin is configurable
-[assembly: Plugin("GreenshotOfficePlugin.OfficePlugin", true)]
+[assembly: Plugin("GreenshotOfficePlugin.OfficePlugin", false)]
 
 // This sets the default COM visibility of types in the assembly to invisible.
 // If you need to expose a type to COM, use [ComVisible(true)] on that type.