diff --git a/LANCommander.SDK/Extensions/ProcessExtensions.cs b/LANCommander.SDK/Extensions/ProcessExtensions.cs
index 1b065c7e..e0faacc0 100644
--- a/LANCommander.SDK/Extensions/ProcessExtensions.cs
+++ b/LANCommander.SDK/Extensions/ProcessExtensions.cs
@@ -24,7 +24,8 @@ namespace LANCommander.SDK.Extensions
             switch (signal)
             {
                 case ProcessTerminationMethod.Close:
-                    process.CloseMainWindow();
+                    if (!process.CloseMainWindow())
+                        process.Kill(true);
                     break;
 
                 case ProcessTerminationMethod.Kill: