Unauthorized Access to COM21

  • Time Stamp
    2025-09-26 04:10:06
  • Message
    Unauthorized Access to COM21
  • Verbose
    UnauthorizedAccess_IODenied_Path, COM21
    at System.IO.Ports.SerialStream..ctor(String portName, Int32 baudRate, Parity parity, Int32 dataBits, StopBits stopBits, Int32 readTimeout, Int32 writeTimeout, Handshake handshake, Boolean dtrEnable, Boolean rtsEnable, Boolean discardNull, Byte parityReplace)
    at System.IO.Ports.SerialPort.Open()
    at Y5.BUFz.Open()