diff --git a/SmartTaskbar/Program.cs b/SmartTaskbar/Program.cs
index 40accf9..7b3c6d6 100644
--- a/SmartTaskbar/Program.cs
+++ b/SmartTaskbar/Program.cs
@@ -12,7 +12,7 @@ static class Program
         [STAThread]
         static void Main()
         {
-            using (Mutex mutex = new Mutex(true, Application.ProductName, out bool createNew))
+            using (Mutex mutex = new Mutex(true, "f6b3a3e6-625c-4bd1-bcdc-b750b1a865ce", out bool createNew))
             {
                 if (!createNew)
                     return;
diff --git a/TaskbarSwitcher/TaskbarSwitcher.cpp b/TaskbarSwitcher/TaskbarSwitcher.cpp
index f51b5b7..e1900e8 100644
Binary files a/TaskbarSwitcher/TaskbarSwitcher.cpp and b/TaskbarSwitcher/TaskbarSwitcher.cpp differ
diff --git a/TaskbarSwitcherWin10/TaskbarSwitcherWin10.cpp b/TaskbarSwitcherWin10/TaskbarSwitcherWin10.cpp
index 7642856..73471db 100644
Binary files a/TaskbarSwitcherWin10/TaskbarSwitcherWin10.cpp and b/TaskbarSwitcherWin10/TaskbarSwitcherWin10.cpp differ