You have been asking similar questions for weeks! What gives? Why so insecure?
You have received a lot of information so far. You have all you need for peace of mind:
- ESET Smart Security or simply NOD32 AV
- Kaspersky
- BitDefender
- Online-Armor, Comodo or Outpost firewalls
- Malwarebytes' Anti-Malware
- SuperAntiSpyware
- Dr.Web LinkChecker
- WOT
- Online scanners from ESET, Kaspersky, BitDefender...
- And more...
Stay away from porn sites, don't practice illegal file sharing, don't open e-mails from unknown senders, especially with attachments and links, and keep Windows and all your security programs updated. Simply use common sense when browsing the Web and you should be OK.