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As part of Microsoft's routine, monthly security update cycle, we released 1 new security update on January 12, 2010.
Watch a video about the January 2010 security updates.
Go to Microsoft TechNet for detailed information about these updates.
Go to Microsoft Update to download the latest updates.
Reason for update
Addresses a vulnerability in Windows
If you have automating updating turned on, you might already have the updates. To learn how to turn automatic updating on for your operating system, see Update your PC automatically.
If you do not have automatic updating turned on, or to check whether you need the updates, go to Microsoft Update.
Security updates are also available from the Microsoft Download Centre. You can find them most easily by doing a keyword search using the words security update and the month the update was released.
IT professionals and systems administrators - Go to Microsoft TechNet for detailed information about these updates.
Make sure you have a firewall, and antivirus and antispyware programs
Scan and clean your computer to remove malicious software
How to tell whether a security email message is really from Microsoft
Security updates FAQ
Software life cycle support information
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