All-inclusive, comprehensive protection avast! 4 Professional Edition includes ANTI-SPYWARE
protection, certified by the West Coast Labs Checkmark process, to protect against the latest
spyware threats and ANTI-ROOTKIT DETECTION based on the best-in class GMER technology, built
into the scan engine.

Features:
- Antivirus kernel
- Simple User Interface
- Enhanced User Interface
- Resident protection
- Script Blocker (Professional Edition only
- P2P and IM Shields
- Network Shield
- Web Shield
- Automatic updates
- PUSH updates
- Virus Chest
- System integration
- Command-line scanner
- Integrated Virus Cleaner
- Support for 64-bit Windows / Vista
- Internationalization