Hi,
To prevent spyware, malware, the best thing is to install
a local firewall for example zone alarm, tini, kerio, etc.
To remove malware pass Adaware, you can use Hijackthis
startupcpl to remove manual entries from registry.
A good option is to use FireFox with the blocking options
activated.
kopustes
MicroWan Ethical Hacking
http://www.microwan.net