* Cached Scanning for faster scheduled scans.
* Cached schedule scans complete sooner.
* Performance improvements have been made to the engine
* Reliability improvements have been made to the file system drivers
* Trusted programs are now white-listed in the definitions
* Reliability improvements have been made to the Firewall Drivers
* Improved 64-bit support
# REAL-TIME PROTECTION
* Reliability improvements have been made to the Real-Time Protection Drivers
* Improved 64-bit OS support
# OS SUPPORT CHANGES
* Windows 2000 is no longer supported in order to permit some of the driver improvements Service Pack 2 is now required for Windows XP to support driver improvements