Serial Port Monitor ActiveX Control 8.0
Build 8.0.80 [Released: October 28, 2021]

  • Lots of minor fixes and improvements.
  • Full support for 64-bit OS
  • Improved: overall performance and stability.
  • Improved: support for USB to COM port adapters.
  • Improved: data processing speed.

Serial Port Monitor ActiveX Control 4.0
Build 4.0.0.60 [Released: June 4, 2009]

  • Fixed: BSOD when serial port sniffing is stopped in some cases
  • Fixed: program crash when serial port is actively used
  • Fixed: bug with sniffing restart for one serial port

Serial Port Monitor ActiveX Control 4.0
Build 4.0.0.55 [Released: September 30, 2008]

  • Fixed: bug with regsvr32 failure when installing on Vista
  • Some other minor improvements and bug fixes

Serial Port Monitor ActiveX Control 4.0
Build 4.0.0.52 [Released: March 21, 2007]

  • Serial Port Monitor ActiveX Control is completely compatible with Windows Vista
  • Added: Quiet registration option for OEM license users (necessary for IDE, that use dynamic information gaining about license, for example: VB.Net, C#, IE)
  • Now ActiveX works under limited accounts
  • Real ports presence is retrieved based on registry and device manager information
  • Serial Port Monitor ActiveX Control and all of its internal drivers are now digitally signed
  • Bug with closing monitoring fixed
  • Improved: Stability and speed of ActiveX component

Serial Port Monitor ActiveX Control 3.0
Build 3.0.0.34 [Released: August 4, 2006]

  • Improved: Stability and speed of ActiveX component
  • Fixed: All references to the real serial ports
  • Fixed: Events handles are correctly closed

Serial Port Monitor ActiveX Control 3.0
Build 3.0.0.27 [Released: February 6, 2006]

  • Greatly improved stability and speed of ActiveX component
  • Extended and enhanced Serial Port Monitor driver
  • Added: OnOpenClose event allows find the name of application that opened serial port
  • Added: Sniffing can be started even if the serial port is opened by other application
  • Added: IsSniffed property
  • Added: OnIrp event
  • Added: OnTimeouts event
  • Added: New examples
  • Improved: User Manual