Only try to shutdown server if actually running

MediaBrowser.Installer/MainWindow.xaml.cs

@@ -114,8 +114,8 @@ namespace MediaBrowser.Installer
             var version = await GetPackageVersion();
             lblStatus.Content = string.Format("Downloading {0} (version {1})...", FriendlyName, version.versionStr);
 
-            // Now try and shut down the server if that is what we are installing
-            if (PackageName == "MBServer")
+            // Now try and shut down the server if that is what we are installing and it is running
+            if (PackageName == "MBServer" && Process.GetProcessesByName("mediabrowser.serverapplication").Length != 0)
             {
                 using (var client = new WebClient())
                 {

MediaBrowser.Uninstaller.Execute/MainWindow.xaml.cs

@@ -79,6 +79,8 @@ namespace MediaBrowser.Uninstaller.Execute
             if (Product == "Server")
             {
                 RemoveShortcut(Path.Combine(startMenu, "MB Dashboard.lnk"));
+                if (Process.GetProcessesByName("mediabrowser.serverapplication").Length != 0)
+                {
                     using (var client = new WebClient())
                     {
                         lblHeading.Content = "Shutting Down Server...";
@@ -95,6 +97,7 @@ namespace MediaBrowser.Uninstaller.Execute
                         }
                     }
                 }
+            }
             // if the startmenu item is empty now - delete it too
             if (Directory.GetFiles(startMenu).Length == 0)
             {