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Avast 4 Professional Edition is a complete ICSA & Checkmark certified antivirus, Checkmark certified anti-spyware & anti-rootkit software package for corporate and advanced home use. avast Professional Edition includes an on demand scanner with two user interfaces, a skinnable simple interface: just select what you want to scan and in which way and press the play button, an enhanced user interface: Outlook like UI allows users to set any feature of Avast, prepare and run tasks, store and check task results, on access scanner: special providers to protect: most available e-mail clients, instant messaging: ICQ or Miranda, network traffic: lightweight firewall, P2P protection for Kazaa, BitTorrent, Web shield: all HTTP traffic, script blocker. avast Professional Edition is available in 32 languages. Small, true incremental, updates are downloaded and installed automatically.

* avast! now contains a built-in anti-rootkit protection
* avast! now comes with a built-in anti-spyware protection
* new self-defense function to prevent active malware from terminating avast! processes as well as corrupting avast! files and registry items
* scanners now display a progress of current scan (percentage of work done)
* fixed a vulnerability in AavmKer4.sys kernel-mode driver (problem applies to Windows NT/2000/XP, 32-bit only); special thanks to Tobias Klein
* improvements in boot-time scanner (detection & removal of hidden or hard to delete files)
* boot-time scanner will not start when booting into Safe Mode (the program was "invisible" in that case, no progress/messages could be seen)
* improvements in many unpackers
* ACE and RAR unpackers now work even in boot-time scanner
* IM Shield: added support for QQ
* improvements in handling of NTFS streams
* Internet Mail provider now displays the name of the sending/receiving program in the tooltip of its taskbar icon
* implemented a protection against false positives in critical system files
* removed a small memory leak in one of avast! drivers (Windows Vista and XP 64-bit only)
* added support for 64-bit WHS connector (available in WHS Power Pack 1)
* greatly improved performance of the updater, especially in cases where many increments are being downloaded (e.g. avast! installations with outdated virus definitions)
* silent installation now also includes scheduled tasks, if any
* resolved a compatibility issue with Acronis TrueImage (XP 64-bit only)
* compatibility tests with Vista SP1 and XP SP3

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Avast Home Edition with Keygen
Avast Professional Edition with keygen
Avast Keygen + 34 Brand new Skin