Hi IcyLady,
Follow the instructions here for the removal of MarketScore:
Uninstall the spyware
You should try this method first. It uses the hidden uninstall feature of the spyware.
Follow the instructions for your operating system.
* Windows 95/98/Me
1. Click Start > Run.
2. Type the following and press the Enter key after typing each one:
command
"%WinDir%\SYSTEM\NSCheck.exe" /uninstall
* Windows NT/2000/XP
1. Click Start > Run.
2. Type the following and press the Enter key after typing each one:
cmd
NSCheck /uninstall</blockquote>
http://www.symantec.com/security_response/writeup.jsp?docid=2004-042117-5317-99&tabid=3
Go to Start>Control Panel>Add/Remove Programs and uninstall any entries for the following:
HiTrust
ActiveToolBand
In addition, check ever entry in Add/Remove carefully: if it’s not something you recognise, Google the name: if you see a report that it is adware or spyware, read about the risks and consider removing it.
Also run scans with the following:
a-Squared Free:
http://www.emsisoft.com/en/software/free/
Spybot Search & Destroy:
http://www.safer-networking.org/en/download/index.html
Come back and tell us if the situation improves!