Recommendation:
AVG Free Antivirus (Private use) or AVG Antivirus (Business PC)
together with:
Anti-Spam "SpamBully" (Installation in english, german, ...):
Keep Porn Out of Your Family's Inbox. Try SpamBully Free!

• Anti-Virus protects from viruses, worms and trojans.
• Full e-mail protection — AVG checks every e-mail sent or received, providing full protection from e-mail-borne threats. AVG supports all leading e-mail clients, including MS Outlook, The bat!, Eudora, and all other SMTP/POP3-based e-mail clients, such as Outlook Express. Encrypted connections using SSL are also supported.
• works with Windows Vista™
• I recommend:
  AVG Free Antivirus (Private use) or AVG Antivirus (Business PC)
  together with:
  Anti-Spam "SpamBully" (Installation in english, german, ...):
  Keep Porn Out of Your Family's Inbox. Try SpamBully Free!

Features

• Easy to use protection – install and forget New program versions and updates, for free, throughout the license duration Quality proven by all major antivirus certifications (VB100%, ICSA, West Coast Labs Checkmark) 24/7 technical support provided at no extra cost Improved virus detection based on better heuristics and NTFS data streams scanningSmaller installation and update files
• Improved user interfac

  Integrated protection

  • Anti-Virus: protection against viruses, worms and trojans
  • Anti-Spyware: protection against spyware, adware and identity-theft
  • Anti-Rootkit: protection against hidden threats (rootkits)
  • Web Shield & LinkScanner: protection against malicious websites

AVG Internet Security AVG Anti-Virus Anti-Virus Yes Yes Anti-Spyware Yes Yes Anti-Rootkit Yes Yes Anti-Spam Yes No E-Mail Scanner Yes Yes Firewall Yes No Compatibility Windows 2000/XP/ Vista Windows 2000/XP/ Vista