#47 wx3270 unhandled exception on settings window opening

[Andrej Pakhutin]

Hello!
When user click on the settings button on the right top of the screen, the exception is being produced and settings window does not open.
The problem has gone after enabling print spooler in services.
wx3270 has been running on VDI Win10/11
The trace presented:

System.ComponentModel.Win32Exception (0x80004005): The RPC server is unavailable
   at System.Drawing.Printing.PrinterSettings.get_InstalledPrinters()
   at Wx3270.Settings.OptionsTabInit()
   at Wx3270.Settings.SecondaryInit()
   at Wx3270.Settings..ctor(Wx3270App app, MainScreen mainScreen, Keypad keypad, AplKeypad aplKeypad)
   at Wx3270.MainScreen.get_SettingsDialog()
   at Wx3270.MainScreen.SettingsBox_Click(Object sender, EventArgs e)
   at System.Windows.Forms.Control.OnClick(EventArgs e)
   at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks)
   at System.Windows.Forms.Control.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: 4.8.9310.0 built by: NET481REL1LAST_C
    CodeBase: file:///C:/Windows/Microsoft.NET/Framework64/v4.0.30319/mscorlib.dll
----------------------------------------
wx3270
    Assembly Version: 1.2.9.0
    Win32 Version: 1.2.9.0
    CodeBase: file:///C:/Program%20Files/wx3270/wx3270.exe
----------------------------------------
CrowdStrike.Sensor.ScriptControl
    Assembly Version: 7.24.19607.0
    Win32 Version: 7.24.19607.0
    CodeBase: file:///C:/WINDOWS/assembly/GAC_MSIL/CrowdStrike.Sensor.ScriptControl/7.24.19607.0__02b60967b1f68187/CrowdStrike.Sensor.ScriptControl.dll
----------------------------------------
System.Windows.Forms
    Assembly Version: 4.0.0.0
    Win32 Version: 4.8.9256.0 built by: NET481REL1LAST_B
    CodeBase: file:///C:/WINDOWS/Microsoft.Net/assembly/GAC_MSIL/System.Windows.Forms/v4.0_4.0.0.0__b77a5c561934e089/System.Windows.Forms.dll
----------------------------------------
System
    Assembly Version: 4.0.0.0
    Win32 Version: 4.8.9310.0 built by: NET481REL1LAST_C
    CodeBase: file:///C:/WINDOWS/Microsoft.Net/assembly/GAC_MSIL/System/v4.0_4.0.0.0__b77a5c561934e089/System.dll
----------------------------------------
System.Drawing
    Assembly Version: 4.0.0.0
    Win32 Version: 4.8.9032.0 built by: NET481REL1
    CodeBase: file:///C:/WINDOWS/Microsoft.Net/assembly/GAC_MSIL/System.Drawing/v4.0_4.0.0.0__b03f5f7f11d50a3a/System.Drawing.dll
----------------------------------------
System.Core
    Assembly Version: 4.0.0.0
    Win32 Version: 4.8.9316.0 built by: NET481REL1LAST_C
    CodeBase: file:///C:/WINDOWS/Microsoft.Net/assembly/GAC_MSIL/System.Core/v4.0_4.0.0.0__b77a5c561934e089/System.Core.dll
----------------------------------------
I18nBase
    Assembly Version: 1.0.0.0
    Win32 Version: 1.0.0.0
    CodeBase: file:///C:/Program%20Files/wx3270/I18nBase.DLL
----------------------------------------
System.Configuration
    Assembly Version: 4.0.0.0
    Win32 Version: 4.8.9032.0 built by: NET481REL1
    CodeBase: file:///C:/WINDOWS/Microsoft.Net/assembly/GAC_MSIL/System.Configuration/v4.0_4.0.0.0__b03f5f7f11d50a3a/System.Configuration.dll
----------------------------------------
System.Xml
    Assembly Version: 4.0.0.0
    Win32 Version: 4.8.9032.0 built by: NET481REL1
    CodeBase: file:///C:/WINDOWS/Microsoft.Net/assembly/GAC_MSIL/System.Xml/v4.0_4.0.0.0__b77a5c561934e089/System.Xml.dll
----------------------------------------
Newtonsoft.Json
    Assembly Version: 13.0.0.0
    Win32 Version: 13.0.3.27908
    CodeBase: file:///C:/Program%20Files/wx3270/Newtonsoft.Json.DLL
----------------------------------------
System.Numerics
    Assembly Version: 4.0.0.0
    Win32 Version: 4.8.9032.0 built by: NET481REL1
    CodeBase: file:///C:/WINDOWS/Microsoft.Net/assembly/GAC_MSIL/System.Numerics/v4.0_4.0.0.0__b77a5c561934e089/System.Numerics.dll
----------------------------------------
System.Runtime.Serialization
    Assembly Version: 4.0.0.0
    Win32 Version: 4.8.9241.0 built by: NET481REL1LAST_C
    CodeBase: file:///C:/WINDOWS/Microsoft.Net/assembly/GAC_MSIL/System.Runtime.Serialization/v4.0_4.0.0.0__b77a5c561934e089/System.Runtime.Serialization.dll
----------------------------------------
System.Data
    Assembly Version: 4.0.0.0
    Win32 Version: 4.8.9214.0 built by: NET481REL1LAST_B
    CodeBase: file:///C:/WINDOWS/Microsoft.Net/assembly/GAC_64/System.Data/v4.0_4.0.0.0__b77a5c561934e089/System.Data.dll
----------------------------------------
PresentationCore
    Assembly Version: 4.0.0.0
    Win32 Version: 4.8.9316.0 built by: NET481REL1LAST_C
    CodeBase: file:///C:/WINDOWS/Microsoft.Net/assembly/GAC_64/PresentationCore/v4.0_4.0.0.0__31bf3856ad364e35/PresentationCore.dll
----------------------------------------
WindowsBase
    Assembly Version: 4.0.0.0
    Win32 Version: 4.8.9316.0 built by: NET481REL1LAST_C
    CodeBase: file:///C:/WINDOWS/Microsoft.Net/assembly/GAC_MSIL/WindowsBase/v4.0_4.0.0.0__31bf3856ad364e35/WindowsBase.dll

[Paul Mattes]

Fix will be in 1.3