I am running Photomatix Pro 3 (trial version) on Unbuntu 10.04. no problem installing or opening. I have an issue in tone mapping. Sliders. replaced with red "X" in a white box. Below is the detailed text of the error: "Parameter is not valid" See the end of this message for details on invoking just-in-time (JIT) debugging instead of this dialog box. ************** Exception Text ************** System.ArgumentException: Parameter is not valid. at System.Drawing.Graphics.CheckErrorStatus(Int32 status) at System.Drawing.Graphics.DrawImage(Image image, Rectangle destRect, Rectangle srcRect, GraphicsUnit srcUnit) at Photomatix.Controls.x82003beccf6a3d04.xf37efc23a52ca755(Bitmap x49d5b7c4ad0e0bdd, Size xa829e7fdd9a63411) at Photomatix.Controls.x82003beccf6a3d04.xd8e5fe08cae37124(Bitmap[] x77e8d77b650d1b2f, Size xe896b4e160504930, Boolean x9840ad5d2c16a387) at Photomatix.Controls.x75efaacc0d586ab9.x30789b34c2cbe654() at Photomatix.Controls.x75efaacc0d586ab9.OnPaint(PaintEventArgs pe) at System.Windows.Forms.Control.PaintWithErrorHandling(PaintEventArgs e, Int16 layer, Boolean disposeEventArgs) at System.Windows.Forms.Control.WmPaint(Message& m) at System.Windows.Forms.Control.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.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam) ************** Loaded Assemblies ************** mscorlib Assembly Version: 2.0.0.0 Win32 Version: 2.0.50727.42 (RTM.050727-4200) CodeBase: file:///C:/windows/Microsoft.NET/Framework/v2.0.50727/mscorlib.dll ---------------------------------------- Photomatix Assembly Version: 3.0.3799.2763 Win32 Version: 3.0.3799.2763 CodeBase: file:///C:/Program%20Files/PhotomatixPro3/PhotomatixPro.exe ---------------------------------------- System.Windows.Forms Assembly Version: 2.0.0.0 Win32 Version: 2.0.50727.42 (RTM.050727-4200) CodeBase: file:///C:/windows/assembly/GAC_MSIL/System.Windows.Forms/2.0.0.0__b77a5c561934e089/System.Windows.Forms.dll ---------------------------------------- System Assembly Version: 2.0.0.0 Win32 Version: 2.0.50727.42 (RTM.050727-4200) CodeBase: file:///C:/windows/assembly/GAC_MSIL/System/2.0.0.0__b77a5c561934e089/System.dll ---------------------------------------- System.Drawing Assembly Version: 2.0.0.0 Win32 Version: 2.0.50727.42 (RTM.050727-4200) CodeBase: file:///C:/windows/assembly/GAC_MSIL/System.Drawing/2.0.0.0__b03f5f7f11d50a3a/System.Drawing.dll ---------------------------------------- PhotomatixMisc Assembly Version: 1.0.3799.2761 Win32 Version: 1.0.3799.2761 CodeBase: file:///C:/Program%20Files/PhotomatixPro3/PhotomatixMisc.DLL ---------------------------------------- PhotomatixImaging Assembly Version: 1.0.3799.2761 Win32 Version: 1.0.3799.2761 CodeBase: file:///C:/Program%20Files/PhotomatixPro3/PhotomatixImaging.DLL ---------------------------------------- PhotomatixControls Assembly Version: 1.0.3799.2762 Win32 Version: 1.0.3799.2762 CodeBase: file:///C:/Program%20Files/PhotomatixPro3/PhotomatixControls.DLL ---------------------------------------- Accessibility Assembly Version: 2.0.0.0 Win32 Version: 2.0.50727.42 (RTM.050727-4200) CodeBase: file:///C:/windows/assembly/GAC_MSIL/Accessibility/2.0.0.0__b03f5f7f11d50a3a/Accessibility.dll ---------------------------------------- ************** JIT Debugging ************** To enable just-in-time (JIT) debugging, the .config file for this application or computer (machine.config) must have the jitDebugging value set in the system.windows.forms section. The application must also be compiled with debugging enabled. For example: <configuration> <system.windows.forms jitDebugging="true" /> </configuration> When JIT debugging is enabled, any unhandled exception will be sent to the JIT debugger registered on the computer rather than be handled by this dialog box. Any advise is greatly appreciated. Jeff