What to do when BitDefender does not detect malware
Some files may not be detected by BitDefender even if they are malicious. This is called a false negative and usually occurs when the malware uses new (unexplored) techniques.

 What BitDefender software should I purchase
Besides the guaranteed detection of trojans, spyware and general malware, the new version of BitDefender offers you new features, as the Instant Messaging Encryption or the Vulnerability Check. You might be interested in the most complete security solution available, BitDefender Total Security which is not only a security product but a security system.

 Installing BitDefender Antivirus 2009
This article describes the installation procedure for BitDefender Antivirus 2009.

 Installing BitDefender Internet Security 2009
This article describes the installation procedure for BitDefender Internet Security 2009.

 How to install BitDefender
This article describes the installation procedure for BitDefender 2009.

 Purchase and Registration information
The current document intends to provide answers to the most asked questions in terms of licensing, registration and the customer's account on BitDefender website.

 Upgrading to BitDefender Antivirus 2010
This article describes how to upgrade your BitDefender Antivirus 2009 to the new BitDefender Antivirus 2010.

 Registering BitDefender 2010
Whenever a BitDefender product is purchased, our customers receive the product as a 30 days trial version and a license key to register it.

 What to do when BitDefender detects legitimate applications
There is a possibility that BitDefender will report a legitimate file as being infected. This is called a false positive and usually occurs when BitDefender decides that the file behaves like a malware.

 Windows Vista Compatibility
The following products will be Vista-compatible starting with January 2007:

BitDefender Antivirus v10.2
BitDefender Antivirus Plus v10.2
BitDefender Internet Security v10.2

The Windows Vista 64-bit version is NOT supported yet.