Try this, found the info here:
http://www.cexx.org/newnet.htm
How can I fully uninstall the New.net plug-in?
To uninstall the application, please follow the steps
below:
Click on Start.
Select Settings.
Click on Control Panel.
Double-click on the Add/Remove Programs icon.
Select the New.net Application.
Click on the Add/Remove button.
Once the program has uninstalled, click on the OK button.
After completing all of these steps, please reboot the
computer. This will have removed the New.net application
from your system.
The above steps will fully remove the New.net plug-in.
However, the Windows operating system will retain a record
that the New.net plug-in previously had been installed on
your computer in "C:\Windows\Downloaded Program Files."
This file is harmless, but can be removed by following the
steps below:
Click on Tools.
Click on Internet Options.
Under the General tab, click on the Settings button.
Within the Settings window, click on the View Objects
button.
Within the Downloaded Program Files window, locate and
delete Tldctl2c Class.
Close the Downloaded Program Files window.
Click on the OK button within the Settings window.
Click on the OK button within the Internet Options window.
Close Internet Explorer.