今天上微软官网 才发现原来微软也有自己的反恶意软件程序。
国内从360安全卫士开始发力，各大安全厂商纷纷免费提供恶意软件查杀程序，如金山和瑞星。
不知道这些国内厂牌有没有想过做英文版呢?

按照官方网站的介绍, Windows Defender 是一款免费的软件。功能包括防止弹出窗口,使性能降低的程序，间谍软件，以及其他不必要的程序。技术上采取实时保护的方式。目前推出了Windows Xp 和Windows Server 2003的版本。

详见: http://www.microsoft.com/athome/security/spyware/software/about/overview.mspx

Windows Defender helps protect your computer from spyware and other unwanted software
Published: February 13, 2006 | Updated: October 23, 2006
Windows Defender detects and removes known spyware from your computer, which helps make your Internet browsing safer.

The software uses automatic definition updates provided by Microsoft analysts to help detect and remove new threats as the threats are identified.

Improvements in Windows Defender
• Enhanced performance through a new scanning engine.

• Streamlined, simplified user interface and alerts.

• Improved control over programs on your computer using enhanced Software Explorer.

• Multiple language support with globalization and localization features.

• Protection technologies for all users, whether or not they have administrator rights on the computer.

• Support for assistive technology for individuals who have physical or cognitive difficulties, impairments, and disabilities.

• Support for Microsoft Windows XP Professional x64 Edition.

• Automatic cleaning according to your settings during regularly scheduled scans.

Top of page
Benefits of Windows Defender
Helps detect and remove spyware

• Spyware detection. Quickly and easily finds spyware and other unwanted programs that can slow down your computer, display annoying pop-up ads, change Internet settings, or use your private information without your consent.

• Straightforward operation and thorough removal technology. Eliminates detected spyware easily at your direction. If you inadvertently remove programs that you actually want, it’s easy to get them back.

• Scheduled scanning and removal. Runs these processes when it’s convenient for you, whether it’s on-demand or on a schedule that you set.

Improves Internet browsing safety

• Helps stop spyware before it infiltrates your computer. Offers a continuous safeguard designed to target all the ways that spyware can infiltrate your computer.

• Works without distracting you. Runs in the background and automatically handles spyware based on preferences that you set. You can use your computer with minimal interruption.

Helps stop the latest threats

• Expertise you can rely on. A dedicated team of Microsoft researchers continuously searches the Internet to discover new spyware and develop methods to counteract it.

• Stops new threats quickly. A voluntary, worldwide network of Windows Defender users helps Microsoft determine which suspicious programs to classify as spyware. Participants help discover new threats quickly and notify Microsoft analysts, so that everyone is better protected. Anyone who uses Windows Defender can join this network and help report potential spyware to Microsoft.

• Automatically stays up to date. To help protect your computer from the latest threats, you can choose to have updates that counteract new spyware automatically downloaded to your computer.

Windows Defender detects and removes known spyware from your computer, which helps make your Internet browsing safer.

The software uses automatic definition updates provided by Microsoft analysts to help detect and remove new threats as the threats are identified.