Im using windows 7 and got net fame 4.5.1 and im getting this error and ive copied the dll files See the end of this message for details on invoking just-in-time (JIT) debugging instead of this dialog box. ************** Exception Text ************** System.NullReferenceException: Object reference not set to an instance of an object. at AvalonIO.STFS.DirentStream..ctor(STFS contentPackage, Int32 DirentIndex) at AvalonIO.STFS.STFS.GetDirentStream(Int32 index) at ACIV.Form1.xJRXcyNTHckmJnbxb4i(Object , Int32 ) at ACIV.Form1.UCggsvFuC(Object , EventArgs ) at System.Windows.Forms.Control.OnClick(EventArgs e) at System.Windows.Forms.Button.OnClick(EventArgs e) at System.Windows.Forms.Button.OnMouseUp(MouseEventArgs mevent) at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks) at System.Windows.Forms.Control.WndProc(Message& m) at System.Windows.Forms.ButtonBase.WndProc(Message& m) at System.Windows.Forms.Button.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: 4.0.0.0 Win32 Version: 4.0.30319.18444 built by: FX451RTMGDR CodeBase: file:///C:/Windows/Microsoft.NET/Framework/v4.0.30319/mscorlib.dll ---------------------------------------- ACIV Assembly Version: 1.0.0.0 Win32 Version: 1.0.0.0 CodeBase: file:///C:/Users/Laptop/Downloads/ACIV/ACIV.exe ---------------------------------------- System Assembly Version: 4.0.0.0 Win32 Version: 4.0.30319.18408 built by: FX451RTMGREL CodeBase: file:///C:/Windows/Microsoft.Net/assembly/GAC_MSIL/System/v4.0_4.0.0.0__b77a5c561934e089/System.dll ---------------------------------------- System.Windows.Forms Assembly Version: 4.0.0.0 Win32 Version: 4.0.30319.18408 built by: FX451RTMGREL CodeBase: file:///C:/Windows/Microsoft.Net/assembly/GAC_MSIL/System.Windows.Forms/v4.0_4.0.0.0__b77a5c561934e089/System.Windows.Forms.dll ---------------------------------------- System.Drawing Assembly Version: 4.0.0.0 Win32 Version: 4.0.30319.18408 built by: FX451RTMGREL CodeBase: file:///C:/Windows/Microsoft.Net/assembly/GAC_MSIL/System.Drawing/v4.0_4.0.0.0__b03f5f7f11d50a3a/System.Drawing.dll ---------------------------------------- 98616e80-e19c-47ae-a456-e0ffeab7afa8 Assembly Version: 1.0.0.0 Win32 Version: 1.0.0.0 CodeBase: file:///C:/Users/Laptop/Downloads/ACIV/ACIV.exe ---------------------------------------- Microsoft.VisualBasic Assembly Version: 10.0.0.0 Win32 Version: 11.0.50938.18408 built by: FX451RTMGREL CodeBase: file:///C:/Windows/Microsoft.Net/assembly/GAC_MSIL/Microsoft.VisualBasic/v4.0_10.0.0.0__b03f5f7f11d50a3a/Microsoft.VisualBasic.dll ---------------------------------------- System.Core Assembly Version: 4.0.0.0 Win32 Version: 4.0.30319.18408 built by: FX451RTMGREL CodeBase: file:///C:/Windows/Microsoft.Net/assembly/GAC_MSIL/System.Core/v4.0_4.0.0.0__b77a5c561934e089/System.Core.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. when ive tried my same game to edit it Please Help