--- a/ServerMonitor/Helpers.cs	Fri Jan 11 22:34:18 2019 -0500
+++ b/ServerMonitor/Helpers.cs	Sun Feb 10 20:51:26 2019 -0500
@@ -4,6 +4,7 @@
 using System.ComponentModel;
 using System.Drawing;
 using System.Linq;
+using System.Net.NetworkInformation;
 using System.Text;
 using System.Windows.Forms;
 
@@ -50,6 +51,7 @@
                 case CheckStatus.Information: return Resources.info;
                 case CheckStatus.Success: return Resources.pass;
                 case CheckStatus.Running: return Resources.run;
+                case CheckStatus.Disabled: return Resources.disable;
                 default: return null;
             }
         }
@@ -57,5 +59,40 @@
         public static bool In(this Enum value, params Enum[] values) {
             return values.Contains(value);
         }
+
+        // https://stackoverflow.com/a/8345173
+        /// <summary>
+        /// Indicates whether any network connection is available.
+        /// Filter connections below a specified speed, as well as virtual network cards.
+        /// </summary>
+        /// <returns>
+        ///     <c>true</c> if a network connection is available; otherwise, <c>false</c>.
+        /// </returns>
+        public static bool IsNetworkAvailable()
+        {
+            if (!NetworkInterface.GetIsNetworkAvailable())
+                return false;
+
+            foreach (NetworkInterface ni in NetworkInterface.GetAllNetworkInterfaces())
+            {
+                // discard because of standard reasons
+                if ((ni.OperationalStatus != OperationalStatus.Up) ||
+                    (ni.NetworkInterfaceType == NetworkInterfaceType.Loopback) ||
+                    (ni.NetworkInterfaceType == NetworkInterfaceType.Tunnel))
+                    continue;
+
+                // discard virtual cards (virtual box, virtual pc, etc.)
+                if ((ni.Description.IndexOf("virtual", StringComparison.OrdinalIgnoreCase) >= 0) ||
+                    (ni.Name.IndexOf("virtual", StringComparison.OrdinalIgnoreCase) >= 0))
+                    continue;
+
+                // discard "Microsoft Loopback Adapter", it will not show as NetworkInterfaceType.Loopback but as Ethernet Card.
+                if (ni.Description.Equals("Microsoft Loopback Adapter", StringComparison.OrdinalIgnoreCase))
+                    continue;
+
+                return true;
+            }
+            return false;
+        }
     }
 }