Fixed Issue 204.

Program.cs

@@ -37,10 +37,12 @@
 
 using System;
 using System.IO;
+using System.Reflection;
 using System.Text;
 using System.Threading;
 using System.Windows.Forms;
 using OpenHardwareMonitor.GUI;
+using OpenHardwareMonitor.Hardware;
 
 namespace OpenHardwareMonitor {
   public static class Program {
@@ -88,6 +90,16 @@ namespace OpenHardwareMonitor {
         return false;
       if (!IsFileAvailable("OpenHardwareMonitorLib.dll"))
         return false;
+
+      // check if the OpenHardwareMonitorLib assembly has the correct version
+      if (Assembly.GetAssembly(typeof(Computer)).GetName().Version !=
+        Assembly.GetExecutingAssembly().GetName().Version) {
+        MessageBox.Show(
+          "The version of the file OpenHardwareMonitorLib.dll is incompatible.", 
+          "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
+        return false;
+      }
+
       return true;
     }