diff --git a/RevokeMsgPatcher/Utils/Device.cs b/RevokeMsgPatcher/Utils/Device.cs
index be4d155..af607d4 100644
--- a/RevokeMsgPatcher/Utils/Device.cs
+++ b/RevokeMsgPatcher/Utils/Device.cs
@@ -50,13 +50,21 @@ namespace RevokeMsgPatcher.Utils
         /// <returns>GUID</returns>
         public static string Value()
         {
-            if (fingerPrint == null)
+            try
             {
-                fingerPrint = GetHash(
-                    "MAC >> " + MacID
-                    );
+                if (fingerPrint == null)
+                {
+                    fingerPrint = GetHash(
+                        "MAC >> " + MacID
+                        );
+                }
+                return fingerPrint;
             }
-            return fingerPrint;
+            catch
+            {
+                return Guid.NewGuid().ToString();
+            }
+
         }
 
         private static string GetHash(string s)
diff --git a/RevokeMsgPatcher/Utils/GAHelper.cs b/RevokeMsgPatcher/Utils/GAHelper.cs
index 81ce3a1..b9f4010 100644
--- a/RevokeMsgPatcher/Utils/GAHelper.cs
+++ b/RevokeMsgPatcher/Utils/GAHelper.cs
@@ -24,14 +24,14 @@ namespace RevokeMsgPatcher.Utils
         {
             get
             {
-                lock (obj)
-                {
+                //lock (obj)
+                //{
                     if (instance == null)
                     {
                         instance = new GAHelper();
                     }
                     return instance;
-                }
+                //}
             }
         }