System.IO.IOException was unhandled
  Message="Unable to read data from the transport connection: An existing connection was forcibly closed by the remote host."
  Source="System"
  StackTrace:
       at System.Net.Sockets.NetworkStream.Read(Byte[] buffer, Int32 offset, Int32 size)
       at System.IO.BufferedStream.ReadByte()
       at Npgsql.NpgsqlState.ProcessBackendResponses_Ver_3(NpgsqlConnector context) in c:\Desenvolvimento\Npgsql1.0-src\Npgsql\src\Npgsql\NpgsqlState.cs:line 476
       at Npgsql.NpgsqlState.ProcessBackendResponses(NpgsqlConnector context) in c:\Desenvolvimento\Npgsql1.0-src\Npgsql\src\Npgsql\NpgsqlState.cs:line 168
       at Npgsql.NpgsqlConnectedState.Startup(NpgsqlConnector context) in c:\Desenvolvimento\Npgsql1.0-src\Npgsql\src\Npgsql\NpgsqlConnectedState.cs:line 65
       at Npgsql.NpgsqlConnector.Open() in c:\Desenvolvimento\Npgsql1.0-src\Npgsql\src\Npgsql\NpgsqlConnector.cs:line 676
       at Npgsql.NpgsqlConnectorPool.GetPooledConnector(NpgsqlConnection Connection) in c:\Desenvolvimento\Npgsql1.0-src\Npgsql\src\Npgsql\NpgsqlConnectorPool.cs:line 349
       at Npgsql.NpgsqlConnectorPool.RequestPooledConnectorInternal(NpgsqlConnection Connection) in c:\Desenvolvimento\Npgsql1.0-src\Npgsql\src\Npgsql\NpgsqlConnectorPool.cs:line 215
       at Npgsql.NpgsqlConnectorPool.RequestPooledConnector(NpgsqlConnection Connection) in c:\Desenvolvimento\Npgsql1.0-src\Npgsql\src\Npgsql\NpgsqlConnectorPool.cs:line 171
       at Npgsql.NpgsqlConnectorPool.RequestConnector(NpgsqlConnection Connection) in c:\Desenvolvimento\Npgsql1.0-src\Npgsql\src\Npgsql\NpgsqlConnectorPool.cs:line 151
       at Npgsql.NpgsqlConnection.Open() in c:\Desenvolvimento\Npgsql1.0-src\Npgsql\src\Npgsql\NpgsqlConnection.cs:line 466
       at ciabAdmin.forms.FormProducts.connect() in c:\source\ciabAdmin\ciabAdmin\forms\FormProducts.cs:line 23
       at ciabAdmin.forms.FormProducts..ctor() in c:\source\ciabAdmin\ciabAdmin\forms\FormProducts.cs:line 17
       at ciabAdmin.FormMain.toolStripButton1_Click(Object sender, EventArgs e) in c:\source\ciabAdmin\ciabAdmin\forms\FormMain.cs:line 22
       at System.Windows.Forms.ToolStripItem.RaiseEvent(Object key, EventArgs e)
       at System.Windows.Forms.ToolStripButton.OnClick(EventArgs e)
       at System.Windows.Forms.ToolStripItem.HandleClick(EventArgs e)
       at System.Windows.Forms.ToolStripItem.HandleMouseUp(MouseEventArgs e)
       at System.Windows.Forms.ToolStripItem.FireEventInteractive(EventArgs e, ToolStripItemEventType met)
       at System.Windows.Forms.ToolStripItem.FireEvent(EventArgs e, ToolStripItemEventType met)
       at System.Windows.Forms.ToolStrip.OnMouseUp(MouseEventArgs mea)
       at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks)
       at System.Windows.Forms.Control.WndProc(Message& m)
       at System.Windows.Forms.ScrollableControl.WndProc(Message& m)
       at System.Windows.Forms.ToolStrip.WndProc(Message& m)
       at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)
       at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)
       at System.Windows.Forms.NativeWindow.DebuggableCallback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)
       at System.Windows.Forms.UnsafeNativeMethods.DispatchMessageW(MSG& msg)
       at System.Windows.Forms.Application.ComponentManager.System.Windows.Forms.UnsafeNativeMethods.IMsoComponentManager.FPushMessageLoop(Int32 dwComponentID, Int32 reason, Int32 pvLoopData)
       at System.Windows.Forms.Application.ThreadContext.RunMessageLoopInner(Int32 reason, ApplicationContext context)
       at System.Windows.Forms.Application.ThreadContext.RunMessageLoop(Int32 reason, ApplicationContext context)
       at System.Windows.Forms.Application.Run(Form mainForm)
       at ciabAdmin.Program.Main() in c:\source\ciabAdmin\ciabAdmin\Program.cs:line 17
       at System.AppDomain._nExecuteAssembly(Assembly assembly, String[] args)
       at System.AppDomain.ExecuteAssembly(String assemblyFile, Evidence assemblySecurity, String[] args)
       at Microsoft.VisualStudio.HostingProcess.HostProc.RunUsersAssembly()
       at System.Threading.ThreadHelper.ThreadStart_Context(Object state)
       at System.Threading.ExecutionContext.Run(ExecutionContext executionContext, ContextCallback callback, Object state)
       at System.Threading.ThreadHelper.ThreadStart()
  InnerException: System.Net.Sockets.SocketException
       Message="An existing connection was forcibly closed by the remote host"
       Source="System"
       ErrorCode=10054
       NativeErrorCode=10054
       StackTrace:
            at System.Net.Sockets.Socket.Receive(Byte[] buffer, Int32 offset, Int32 size, SocketFlags socketFlags)
            at System.Net.Sockets.NetworkStream.Read(Byte[] buffer, Int32 offset, Int32 size)
       InnerException: