* improvements in some unpackers (WinExec, Installer, ZIP)
* improved memory scan, especially under 64-bit operating systems
* fixed a possible deadlock condition when copying system files from some removable media
* fixed a possible problem with access rights when deleting infected files on reboot
* Web Shield: minor stability fixes
* Internet Mail: smtp.gmail.com and smtp.live.com now ignored on port 25 (as these are SSL only)
* improved healing of some infected files
* various fixes and improvements in the scanning engine
* Web Shield now scans pages compressed with the "deflate" algorithm
* performance optimization of Standard Shield under Windows Vista
* improvements in the automatic sample submission system
* improvements in the URL blocker