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How to prevent and remove viruses and other malware
Discusses how to remove viruses, spyware, rogue software, malware, Microsoft Security Essentials, Microsoft Safety Scanner and Windows Defender Offline Beta.
How can I tell if my computer has a virus?
Recognize the signs of a computer virus infection.
I can't install Microsoft Security Essentials
Learn the different steps you can take when you are having problems installing Microsoft Security Essentials on your computer.
How do I remove a computer virus?
Learn about antivirus programs, online scanners, and tools that help remove malicious software from your computer.
How do I uninstall antivirus or antispyware programs?
Learn how to remove an antivirus or anti-spyware program that is installed on your PC before installing Microsoft Security Essentials.