From ff24588236c778507043379af23720e813c2c426 Mon Sep 17 00:00:00 2001
From: sebastian-dev <dev.sebastian@grams.de>
Date: Thu, 22 Oct 2020 14:17:25 +0200
Subject: [PATCH] Bugfix: Application crash when network interface is changed
 (#318)

---
 .../Hardware/Network/NetworkGroup.cs                 | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/LibreHardwareMonitorLib/Hardware/Network/NetworkGroup.cs b/LibreHardwareMonitorLib/Hardware/Network/NetworkGroup.cs
index dffb494..0c2fc13 100644
--- a/LibreHardwareMonitorLib/Hardware/Network/NetworkGroup.cs
+++ b/LibreHardwareMonitorLib/Hardware/Network/NetworkGroup.cs
@@ -73,14 +73,18 @@ namespace LibreHardwareMonitor.Hardware.Network
                 var foundNetworkInterfaces = networkInterfaces.ToDictionary(x => x.Id, x => x);
 
                 // Remove network interfaces that no longer exist.
+                List<string> removeKeys = new List<string>();
                 foreach (KeyValuePair<string, Network> networkInterfacePair in _networks)
                 {
                     if (foundNetworkInterfaces.ContainsKey(networkInterfacePair.Key))
                         continue;
-
-
-                    networkInterfacePair.Value.Close();
-                    _networks.Remove(networkInterfacePair.Key);
+                    removeKeys.Add(networkInterfacePair.Key);
+                }
+                foreach (string key in removeKeys)
+                {
+                    var network = _networks[key];
+                    network.Close();
+                    _networks.Remove(key);
                 }
 
                 // Add new network interfaces.