this error message started a couple of months ago
 

1.2.4 Unknown Thread Error: mscorlib
at System.Security.Cryptography.MD5CryptoServiceProvider..ctor()
at EQ2MAPUpdater.MainWindow.GetFileMD5(String strFilePath)
at EQ2MAPUpdater.MainWindow.DownloadUpdates()
at EQ2MAPUpdater.MainWindow.GetUpdates()
at EQ2MAPUpdater.MainWindow.Timer3_Tick(Object sender, EventArgs e)
at System.Windows.Forms.Timer.OnTick(EventArgs e)
at System.Windows.Forms.Timer.TimerNativeWindow.WndProc(Message& m)
at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)This implementation is not part of the Windows Platform FIPS validated cryptographic algorithms.

Windows XP SP 3