WebBrowser Control System.AccessViolationException (1 Viewer)

[RMaruader]

I try to write external player based on webBrowser.
In my player i create webbrowser control and start navigate. Web page is showed, but after init ActivX obejct wich embedded in this page, i become exception and mediaportal is closed.

GUIGraphicsContext.form.SuspendLayout();
                _webBrowser.Dock = System.Windows.Forms.DockStyle.Fill;
                _webBrowser.Location = new System.Drawing.Point(0, 0);
                _webBrowser.MinimumSize = new System.Drawing.Size(20, 20);
                _webBrowser.Name = "webBrowser1";
                _webBrowser.Size = new System.Drawing.Size(284, 262);
                _webBrowser.TabIndex = 0;
          
                GUIGraphicsContext.form.Controls.Add(_webBrowser);
                GUIGraphicsContext.form.ResumeLayout(false);
                _webBrowser.Navigate("http://www.movenetworks.com/install-move-player");

MediaPortal.log:
"2009-06-29 23:34:50.146339 [Info.][MPMain]: Exception ystem.AccessViolationException: Attempted to read or write protected memory. This is often an indication that other memory is corrupt.
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 MediaPortalApp.Main(String[] args)
2009-06-29 23:34:50.149339 [Info.][MPMain]: Exception :Attempted to read or write protected memory. This is often an indication that other memory is corrupt.
2009-06-29 23:34:50.151339 [Info.][MPMain]: site :IntPtr DispatchMessageW(MSG ByRef)
2009-06-29 23:34:50.154339 [Info.][MPMain]: source ystem.Windows.Forms
2009-06-29 23:34:50.158339 [Info.][MPMain]: stacktrace: 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 MediaPortalApp.Main(String[] args)
2009-06-29 23:34:50.160339 [Info.][MPMain]: MediaPortal stopped due to an exception Attempted to read or write protected memory. This is often an indication that other memory is corrupt. System.Windows.Forms 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 MediaPortalApp.Main(String[] args)
"
Win7,IE8,VS2008,MP 1.0.2

Hava anybody any idea how i can fix this ?