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How to get rid of a computer virus

June 25th, 2013 No comments

Is your computer running more slowly than usual? Does it stop responding or freeze often? It might have a virus.

If you can connect to the Internet

These instructions are different depending on which operating system you’re using.

Check your operating system

Windows 8

If your computer is running Windows 8, you can use the built-in Windows Defender to get rid of the virus or other malware.

Windows 7, Windows Vista, Windows XP

If your computer is running Windows 7, Windows Vista, or Windows XP, do the following:

  • Run the Microsoft Safety Scanner. The scanner can be used with any kind of antivirus software (not just antivirus software from Microsoft).
  • Download Microsoft Security Essentials for free. (Note: Some viruses will prevent you from downloading Microsoft Security Essentials.)

If you can’t connect to the Internet

Windows Defender Offline works with Windows 8, Windows 7, Windows Vista, and Windows XP.

Use another computer to download Windows Defender Offline and create a CD, DVD, or USB flash drive.

Windows Defender (built in to Windows 8), Microsoft Security Essentials, and other antivirus software use the Internet to download the latest updates to fight new malware. Windows Defender Offline helps protect against advanced malware that can’t always be detected by antivirus software.

Learn how to use Windows Defender Offline

Learn more

Security researchers: Get paid to thwart cybercriminals. We want your help fighting potential viruses. Microsoft has announced three new bounty programs that offer cash payments in exchange for reporting certain vulnerabilities in and techniques for exploiting Internet Explorer, Windows, and other Microsoft programs. Visit Microsoft.com/BountyPrograms for details.