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What to Do if Your Computer Has a Virus

What are the symptoms of a virus?

Some common symptoms that may indicate your computer is infected with a virus are:

  • Unusual messages or displays on your monitor.
  • Unusual sounds or music played at random times.
  • Your system has less available memory than usual.
  • A disk or volume name has changed.
  • Programs or files are suddenly missing.
  • Unknown programs or files are created.
  • Some of your files become corrupted or suddenly do not work properly.

If you think your computer has a virus infection:

  1. Do not panic.
  2. Make sure your virus protection is up-to-date. Learn how to get the latest virus protection update:
  3. Scan your computer or disks for viruses. Learn how to scan for viruses using:
  4. If you have a macro virus, learn how to remove macro viruses from your Mac or Windows computer.
  5. If you need help getting rid of a virus:
  6. If you got a virus from an email, learn whom to inform when you get an email virus.
  7. If you got a virus from a shared file, inform:
    • Those who have access to the file on the network.
    • Those to whom you have emailed the infected file.
    • The person from whom you originally got the infected file.