Update Program.cs

Author: monkey8113

Program.cs

@@ -430,7 +430,8 @@ private static void ShowRunningInstanceWarning()
         {
             MessageBox.Show(
                 $"{AppName} is already running.\n\n" +
-                "Please exit old instance and rerun new version to upgrade.",
+                "If you have new version or move exe file to new location",
+				"Please exit old instance and rerun new version to update.",
                 "Application Running",
                 MessageBoxButtons.OK,
                 MessageBoxIcon.Information);