also go into your start menu --> programs --> startup folder and pull all that bullshit out and delete it
run spyware proggies like spybot and adaware both can be d/l from
http://www.download.com just search for those two names.
msconfig can work but not for amatuers you could take off something that you need. Also look for a proggie called startup-cop put out i think by pc magazine..that I have heard is a good one.
finally
STOP CHECKING OUT PORN SITES!!