fixed broken test.

NzbDrone.Core.Test/UpdateTests/UpdateServiceFixture.cs

@@ -103,10 +103,8 @@ namespace NzbDrone.Core.Test.UpdateTests
         {
             Subject.Execute(new ApplicationUpdateCommand());
 
-            Mocker.GetMock<IProcessProvider>().Verify(
-               c => c.Start(It.Is<ProcessStartInfo>(p =>
-                       !string.IsNullOrWhiteSpace(p.FileName) &&
-                       p.Arguments == "12")));
+            Mocker.GetMock<IProcessProvider>()
+                .Verify(c => c.ShellExecute(It.IsAny<string>(), "12", null, null), Times.Once());
         }
 
         [Test]

NzbDrone.Core/Update/InstallUpdateService.cs

@@ -1,5 +1,4 @@
 using System;
-using System.Diagnostics;
 using System.IO;
 using NLog;
 using NzbDrone.Common;
@@ -71,7 +70,7 @@ namespace NzbDrone.Core.Update
                 _diskProvider.MoveFolder(_appFolderInfo.GetUpdateClientFolder(),
                                             updateSandboxFolder);
 
-                _logger.Info("Starting update client");
+                _logger.Info("Starting update client {0}", _appFolderInfo.GetUpdateClientExePath());
 
                 var process = _processProvider.ShellExecute(_appFolderInfo.GetUpdateClientExePath(), _processProvider.GetCurrentProcess().Id.ToString());