no connection

[lucatambu60]

LaserGrbl v7.14.0.0
Grbl v1.1f
Wrapper: UsbSerial
Win 11, Professional, 10.0.26100.0 (7)
CLR: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\mscorlib.dll 4.8.9282.0 built by: NET481REL1LAST_C

TypeOf exception [System.IO.IOException]
Exception message [Dati disponibili esauriti.
]
Exception source [mscorlib], thread [Main Thread]
Exception method [Void Win32Error(Int32, System.String)]

----------- stack trace -----------
in Microsoft.Win32.RegistryKey.Win32Error(Int32 errorCode, String str)
in Microsoft.Win32.RegistryKey.GetValueNames()
in System.IO.Ports.SerialPort.GetPortNames()
in LaserGRBL.ConnectLogForm.TimerUpdate() in E:\LaserGRBL\LaserGRBL\ConnectLogForm.cs:riga 220
in LaserGRBL.MainForm.UpdateTimer_Tick(Object sender, EventArgs e) in E:\LaserGRBL\LaserGRBL\MainForm.cs:riga 452
in System.Windows.Forms.Timer.OnTick(EventArgs e)
in System.Windows.Forms.Timer.TimerNativeWindow.WndProc(Message& m)
in System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)