avast! antivirus - Versions comparison

The following table is a summary and comparison of two avast! versions: Home Edition and Professional Edition. It is not a complete list of all program features.

Feature
Antivirus kernel
High-performance antivirus engine	x	x
Multithreaded scanning	x	x
Scanning the content of archives	x	x
Scan of memory	x	x
Scan of auto-start items	x	x
Anti-rootkit protection *	x	x
Anti-spyware protection	x	x
ICSA certification	x	x
User interface
Simple User Interface	x	x
Enhanced User Interface		x
Windows Explorer integration	x	x
Antivirus screen-saver	x	x
Command-line scanner		x
Boot-time scan **	x	x
Skins (various program appearances)	x	x
Virus Chest	x	x
Log Viewer	x	x
iNews Viewer	x	x
Detailed program options settings	x	x
Working with tasks
Defining your own antivirus tasks		x
Working with the task results (actions on infected files)		x
Storing the scan results (history)		x
Updates
Incremental updates of virus database (VPS)	x	x
Incremental updates of the program	x	x
Automatic updater (requires Internet connection)	x	x
PUSH updates		x
Resident protection
Standard file system protection	x	x
Generic SMTP/POP3/IMAP4/NNTP scanner	x	x
MS Outlook plugin	x	x
E-mail providers heuristic	x	x
Script Blocker		x
Instant Messenger protection	x	x
P2P program protection	x	x
Repairing infected files
Direct macrovirus repairing	x	x
Integrated avast! Virus Cleaner	x	x
Repairing executable files using Virus Recovery Database (VRDB)	x	x
Automatic VRDB generating	x	x
Other features
Self-defense (protection of antivirus processes, files and registry keys) *	x	x
Report files	x	x
Option to check diskettes and CDs on computer restart/shutdown	x	x
Virus notifications (global)	x	x
Virus notifications (task-based)		x
Sound signals	x	x
Log level setting	x	x
Task scheduler (running scheduled scans)		x
License
Freeware	x
Shareware		x

* Windows 2000/XP/2003/Vista/2008 only
** 32-bit versions of Windows NT/2000/XP/2003/Vista/2008 only.