usbuirt exception problem (1 Viewer)

[framug]

Hello

Area: Media Portal Program
MediaPortal Version: 0.2.0.0 RC4$CVS-10.05.2006- 1:01:02,12
(2006-05-10)
MediaPortal Skin: Project X
Windows Version: Windows XP (SP2)
.NET CLR Version: 2.0.50727
DirectX Version: 4.09.00.0904 (9.0c)
Audio Codec: -
Video Codec: Hauppauge WinTV PVR PCI II Decoder
CPU Type: Intel Pentium 4 - 3.00GHz
Memory: 2 GB
Motherboard: P4C800-E (ASUSTeK Computer Inc.)
TV Card Model: Hauppauge PVR-350
TV Card Type: Hardware
TV Card Driver: 1.18.21.23257
Video Card Model: Radeon X800 Series (256 MB)
Video Card Driver: catalyst 6.3
Video Card Resolution: 1024x768
Video Render Type: VMR9
Audio Card Model: Aureon 7.1 Space
Audio Card Driver: 5.21.3.30
Synopsis::

I have a problem with USBUIRT latest driver 3.1.2.0 :
Here is the exception.log :
ExceptionType: System.NullReferenceException
Message: Object reference not set to an instance of an object.
Source: System.Windows.Forms

Stack trace:
at System.Windows.Forms.Control.WaitForWaitHandle(WaitHandle waitHandle)
at System.Windows.Forms.Control.MarshaledInvoke(Control caller, Delegate method, Object[] args, Boolean synchronous)
at System.Windows.Forms.Control.Invoke(Delegate method, Object[] args)
at MediaPortal.IR.USBUIRT.ThreadSafeSendMessage(Int32 wmMsg, Int32 wparam, Int32 lparam)
at MediaPortal.IR.USBUIRT.UUIRTReceiveCallback(String irid, IntPtr reserved)

Here is a part of mediaportal.log :
10/05/2006 07:09:36 add USBUIRT section
10/05/2006 07:09:36 USBUIRT:Open
10/05/2006 07:09:36 USBUIRT:Open success:Firmware Version: 5.9 (mars, 26, 2004)
10/05/2006 07:09:36 USBUIRT:unable to load tunervalues from:UIRTUSB-tuner.xml
...
10/05/2006 07:09:38 Load settings:USBUIRT
10/05/2006 07:09:38 LoadSectionSettings()
10/05/2006 07:09:38 USBUIRT: Setting configuration control values

Can you do something for me, please ?
Thanks