Need help work app

[hiaza]

I am trying to get a parts ordering program working on linux. Currently using popos. It installs ok. Not sure what I am doing wrong, I think I have installed dotnet as required. I have attached the error that shows, also the text inside. Please help.

See the end of this message for details on invoking \njust-in-time (JIT) debugging instead of this dialog box.\n\n************** Exception Text **************\nSystem.MissingMethodException: Method 'System.IO.MemoryStream.Length' not found.
at System.RuntimeType.InvokeMember (System.String name, System.Reflection.BindingFlags bindingFlags, System.Reflection.Binder binder, System.Object target, System.Object[] providedArgs, System.Reflection.ParameterModifier[] modifiers, System.Globalization.CultureInfo culture, System.String[] namedParams) [0x00710] in <a1336bab325642fd867e87ca7626bada>:0
at Microsoft.VisualBasic.CompilerServices.LateBinding.LateSet (System.Object o, System.Type objType, System.String name, System.Object[] args, System.String[] paramnames) [0x00082] in <226ab7938fda44a787c98631abde06da>:0
at Microsoft.VisualBasic.CompilerServices.NewLateBinding.LateSet (System.Object Instance, System.Type Type, System.String MemberName, System.Object[] Arguments, System.String[] ArgumentNames, System.Type[] TypeArguments) [0x00001] in <226ab7938fda44a787c98631abde06da>:0
at Microsoft.VisualBasic.CompilerServices.NewLateBinding.LateSetComplex (System.Object Instance, System.Type Type, System.String MemberName, System.Object[] Arguments, System.String[] ArgumentNames, System.Type[] TypeArguments, System.Boolean OptimisticSet, System.Boolean RValueBase) [0x00001] in <226ab7938fda44a787c98631abde06da>:0
at BursonEzyparts.Encryption.Decrypt (System.String& encryptText) [0x00072] in <eff79a7c3fc6490d9848a2a9bd1cbb2a>:0
at BursonEzyparts.Module1.DecryptDatasetCache (System.Data.DataSet varDataSetRaw, System.String TableName) [0x000bc] in <eff79a7c3fc6490d9848a2a9bd1cbb2a>:0
at BursonEzyparts.FormLogin.CheckLoadUserData () [0x0003e] in <eff79a7c3fc6490d9848a2a9bd1cbb2a>:0
at BursonEzyparts.FormLogin.AuthButtonEvent () [0x00339] in <eff79a7c3fc6490d9848a2a9bd1cbb2a>:0
at BursonEzyparts.FormLogin.AuthButton_Click (System.Object sender, System.EventArgs e) [0x00001] in <eff79a7c3fc6490d9848a2a9bd1cbb2a>:0
at System.Windows.Forms.Control.OnClick (System.EventArgs e) [0x0001f] in <afc71676634a41889c6929c14e8a57bd>:0
at System.Windows.Forms.Button.OnClick (System.EventArgs e) [0x00037] in <afc71676634a41889c6929c14e8a57bd>:0
at System.Windows.Forms.Button.OnMouseUp (System.Windows.Forms.MouseEventArgs mevent) [0x0009a] in <afc71676634a41889c6929c14e8a57bd>:0
at System.Windows.Forms.Control.WmMouseUp (System.Windows.Forms.Message& m, System.Windows.Forms.MouseButtons button, System.Int32 clicks) [0x001c3] in <afc71676634a41889c6929c14e8a57bd>:0
at System.Windows.Forms.Control.WndProc (System.Windows.Forms.Message& m) [0x005a0] in <afc71676634a41889c6929c14e8a57bd>:0
at System.Windows.Forms.ButtonBase.WndProc (System.Windows.Forms.Message& m) [0x0011f] in <afc71676634a41889c6929c14e8a57bd>:0
at System.Windows.Forms.Button.WndProc (System.Windows.Forms.Message& m) [0x00056] in <afc71676634a41889c6929c14e8a57bd>:0
at System.Windows.Forms.Control+ControlNativeWindow.OnMessage (System.Windows.Forms.Message& m) [0x00001] in <afc71676634a41889c6929c14e8a57bd>:0
at System.Windows.Forms.Control+ControlNativeWindow.WndProc (System.Windows.Forms.Message& m) [0x000b3] in <afc71676634a41889c6929c14e8a57bd>:0
at System.Windows.Forms.NativeWindow.Callback (System.IntPtr hWnd, System.Int32 msg, System.IntPtr wparam, System.IntPtr lparam) [0x00030] in <afc71676634a41889c6929c14e8a57bd>:0

\n************** Loaded Assemblies **************\nmscorlib\n Assembly Version: 4.0.0.0\n Win32 Version: 4.6.57.0\n CodeBase: file:///C:/windows/mono/mono-2.0/lib/mono/4.5/mscorlib.dll\n----------------------------------------\nEzyParts\n Assembly Version: 1.0.0.0\n Win32 Version: 1.0.0.0\n CodeBase: file:///C:/Program%20Files/Autoinfo/Burson/EzyParts.exe\n----------------------------------------\nMicrosoft.VisualBasic\n Assembly Version: 10.0.0.0\n Win32 Version: 10.0.0.0\n CodeBase: file:///C:/windows/mono/mono-2.0/lib/mono/gac/Microsoft.VisualBasic/10.0.0.0__b03f5f7f11d50a3a/Microsoft.VisualBasic.dll\n----------------------------------------\nSystem\n Assembly Version: 4.0.0.0\n Win32 Version: 4.6.57.0\n CodeBase: file:///C:/windows/mono/mono-2.0/lib/mono/gac/System/4.0.0.0__b77a5c561934e089/System.dll\n----------------------------------------\nSystem.Windows.Forms\n Assembly Version: 4.0.0.0\n Win32 Version: 4.6.57.0\n CodeBase: file:///C:/windows/mono/mono-2.0/lib/mono/gac/System.Windows.Forms/4.0.0.0__b77a5c561934e089/System.Windows.Forms.dll\n----------------------------------------\nSystem.Drawing\n Assembly Version: 4.0.0.0\n Win32 Version: 4.6.57.0\n CodeBase: file:///C:/windows/mono/mono-2.0/lib/mono/gac/System.Drawing/4.0.0.0__b03f5f7f11d50a3a/System.Drawing.dll\n----------------------------------------\nSystem.Configuration\n Assembly Version: 4.0.0.0\n Win32 Version: 4.6.57.0\n CodeBase: file:///C:/windows/mono/mono-2.0/lib/mono/gac/System.Configuration/4.0.0.0__b03f5f7f11d50a3a/System.Configuration.dll\n----------------------------------------\nAccessibility\n Assembly Version: 4.0.0.0\n Win32 Version: \n CodeBase: file:///C:/windows/mono/mono-2.0/lib/mono/gac/Accessibility/4.0.0.0__b03f5f7f11d50a3a/Accessibility.dll\n----------------------------------------\nSystem.Data\n Assembly Version: 4.0.0.0\n Win32 Version: 4.6.57.0\n CodeBase: file:///C:/windows/mono/mono-2.0/lib/mono/gac/System.Data/4.0.0.0__b77a5c561934e089/System.Data.dll\n----------------------------------------\nSystem.Xml\n Assembly Version: 4.0.0.0\n Win32 Version: 4.6.57.0\n CodeBase: file:///C:/windows/mono/mono-2.0/lib/mono/gac/System.Xml/4.0.0.0__b77a5c561934e089/System.Xml.dll\n----------------------------------------\nSystem.Core\n Assembly Version: 4.0.0.0\n Win32 Version: 4.6.57.0\n CodeBase: file:///C:/windows/mono/mono-2.0/lib/mono/gac/System.Core/4.0.0.0__b77a5c561934e089/System.Core.dll\n----------------------------------------\nMono.Security\n Assembly Version: 4.0.0.0\n Win32 Version: 4.0.0.0\n CodeBase: file:///C:/windows/mono/mono-2.0/lib/mono/gac/Mono.Security/4.0.0.0__0738eb9f132ed756/Mono.Security.dll\n----------------------------------------\nSystem.Numerics\n Assembly Version: 4.0.0.0\n Win32 Version: 4.6.57.0\n CodeBase: file:///C:/windows/mono/mono-2.0/lib/mono/gac/System.Numerics/4.0.0.0__b77a5c561934e089/System.Numerics.dll\n----------------------------------------\nSystem.Web.Services\n Assembly Version: 4.0.0.0\n Win32 Version: 4.6.57.0\n CodeBase: file:///C:/windows/mono/mono-2.0/lib/mono/gac/System.Web.Services/4.0.0.0__b03f5f7f11d50a3a/System.Web.Services.dll\n----------------------------------------\nMicrosoft.GeneratedCode\n Assembly Version: 1.0.0.0\n Win32 Version: n/a\n CodeBase: \n----------------------------------------\nSystem.Web\n Assembly Version: 4.0.0.0\n Win32 Version: 4.0.0.0\n CodeBase: file:///C:/windows/mono/mono-2.0/lib/mono/gac/System.Web/4.0.0.0__b03f5f7f11d50a3a/System.Web.dll\n----------------------------------------\n\n************** JIT Debugging **************\n

[DarkShadow44]

Did you already try "winetricks -q dotnet461" ?