diff --git a/Crypto Notepad/External Libraries/OSVersionInfoClass.cs b/Crypto Notepad/External Libraries/OSVersionInfoClass.cs
index 6b05c6c..e63b66a 100644
--- a/Crypto Notepad/External Libraries/OSVersionInfoClass.cs	
+++ b/Crypto Notepad/External Libraries/OSVersionInfoClass.cs	
@@ -410,29 +410,6 @@ public struct _PROCESSOR_INFO_UNION
 
         #endregion PINVOKE
 
-        #region SERVICE PACK
-        /// <summary>
-        /// Gets the service pack information of the operating system running on this computer.
-        /// </summary>
-        static public string ServicePack
-        {
-            get
-            {
-                string servicePack = String.Empty;
-                OSVERSIONINFOEX osVersionInfo = new OSVERSIONINFOEX();
-
-                osVersionInfo.dwOSVersionInfoSize = Marshal.SizeOf(typeof(OSVERSIONINFOEX));
-
-                if (GetVersionEx(ref osVersionInfo))
-                {
-                    servicePack = osVersionInfo.szCSDVersion;
-                }
-
-                return servicePack;
-            }
-        }
-        #endregion SERVICE PACK
-
         #region VERSION
         #region BUILD
         /// <summary>
diff --git a/Crypto Notepad/Forms/AboutFrom.cs b/Crypto Notepad/Forms/AboutFrom.cs
index 42e78a7..e68e169 100644
--- a/Crypto Notepad/Forms/AboutFrom.cs	
+++ b/Crypto Notepad/Forms/AboutFrom.cs	
@@ -22,7 +22,7 @@ private void GetDebugInfo()
             Version vrs = new Version(Application.ProductVersion);
             StringBuilder sb = new StringBuilder(string.Empty);
             sb.AppendLine("App version = " + vrs);
-            sb.AppendLine(string.Format("OS name = {0}", OSVersionInfo.Name + " " + OSVersionInfo.ServicePack));
+            sb.AppendLine(string.Format("OS name = {0}", OSVersionInfo.Name));
             sb.AppendLine(string.Format("OS version = {0}", OSVersionInfo.VersionString));
             sb.AppendLine(".Net Framework = " + Methods.GetDotNetVersion());
             Clipboard.SetText(sb.ToString());