3 Answers

If you are an Internet Explorer User:
Windows XP Users:

From the Start Menu, open the Control Panel.
Open the Add or Remove Programs.
A list will populate with all software installed.
Locate Net Assistant or MyFreeze Net Assistant from the list.
Click Change/Remove.
The application should uninstall.

Windows Vista Users:

From the Start Menu, open the Control Panel.
Under the Programs heading, click Uninstall a program.
A list will populate with all software installed.
Locate Net Assistant or MyFreeze Net Assistant from the list.
Click Uninstall.
The application should uninstall.
Restart your PC.

If you are a Firefox user
From the Start Menu, open the Control Panel.
Under the Programs heading, click Uninstall a program.
A list will populate with all software installed.
Locate Net Assistant or MyFreeze Net Assistant from the list.
Click Uninstall.
The application should uninstall.
Restart your PC

Here is a link for you.

http://www.dedoimedo.com/computers/ms-dotnet-firefox.html

Use the free version of SAS in the link below. Allow it to remove whatever it finds. http://www.superantispyware.com/