How to remove a computer virus

Even for an expert, removing a computer virus can be a difficult task without the help of computer virus removal tools. Some computer viruses and other unwanted software, such as spyware, even reinstall themselves after the viruses have been detected and removed. Fortunately, by updating the computer and by using antivirus tools, you can help permanently remove unwanted software.

To remove a computer virus, follow these steps:

1. Install the latest updates from Microsoft Update on the computer.
2. Update the antivirus software on the computer. Then, perform a thorough scan of the computer by using the antivirus software.
3. Download, install, and then run the Microsoft Malicious Software Removal Tool to remove existing viruses on the computer. To download the Malicious Software Removal Tool, visit the following Microsoft Web site:
   http://www.microsoft.com/security/malwareremove/default.mspx

For more information about how to remove a computer virus, visit the following Microsoft Web site:

http://www.microsoft.com/protect/computer/viruses/