Sorry for the inconveniences you have experienced.
We confirm that the current version of Virtual Serial Port AciveX Control has this problem on Windows 2000. We are investigating the case and will surely fix it soon.
I would suggest you to sign up for Updates Notifications and stay informed about all new releases and fixes. You can sign up here: http://www.eltima.com/software-updates/
We will sure let you know when the issue is fixed.
The good news is that the previous build of Virtual Serial Port AciveX Control works fine. Would you like to try out the previous build? We would be glad to e-mail it to you. Send the request to firstname.lastname@example.org
for the one.