BitDefender Virus Definitions 6 April 2009

Because new threats appear every day, BitDefender antivirus must be updated periodically. The updates can be of these types:
· Virus signatures: databases of virus prints to be compared with the scanned files. Shown as Virus Definitions Update. These updates require restarting BitDefender. The restart occurs automatically.
· Spam signatures: rules for the heuristic and URL filters increasing the effectiveness of the antispam engine. Shown as AntiSpam Update.
· Product upgrades: new product features, scan techniques and hotfixes. Shown as Product Update. Occasionally, installing these updates requires restarting the computer.

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