warning idiot at keyboard wont update

[cherica]

ok I feel really stupid now so if this post is in wrong place can someone please move it. Trying to update my maps and it freezes up at 60% here is the message:
1.2.10 Unknown Thread Error: mscorlib
at System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath)
at System.IO.FileStream.ReadCore(Byte[] buffer, Int32 offset, Int32 count)
at System.IO.FileStream.Read(Byte[] array, Int32 offset, Int32 count)
at System.Security.Cryptography.HashAlgorithm.ComputeHash(Stream inputStream)
at EQ2MAP_Updater.MainWindow.GetFileMD5(String strFilePath)
at EQ2MAP_Updater.MainWindow.DownloadUpdates()
at EQ2MAP_Updater.MainWindow.GetUpdates()
at EQ2MAP_Updater.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)Data error (cyclic redundancy check).
No idea what is wrong maybe someone has an idea

was reading solutions to other problems and decided to download and reinstall and froze at 60% again with message:
1.2.10 Unknown Thread Error: mscorlib
at System.IO.__Error.WinIOError(Int32 errorCode, String maybeFullPath)
at System.IO.FileStream.ReadCore(Byte[] buffer, Int32 offset, Int32 count)
at System.IO.FileStream.Read(Byte[] array, Int32 offset, Int32 count)
at System.Security.Cryptography.HashAlgorithm.ComputeHash(Stream inputStream)
at EQ2MAP_Updater.MainWindow.GetFileMD5(String strFilePath)
at EQ2MAP_Updater.MainWindow.DownloadUpdates()
at EQ2MAP_Updater.MainWindow.GetUpdates()
at EQ2MAP_Updater.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)Data error (cyclic redundancy check).