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'''Anti-virus software''' protects a [[computer]] from [[virus]]es that can destroy [[data]], slow a computer's performance, cause a crash, or even allow [[spammer]]s to send [[email]] through your account. <ref>[http://onguardonline.gov/glossary.html OnGuard Online: Glossary] [[OnGuardOnline|OnGuardOnline.gov]]</ref>

'''Anti-virus software''', such as [[Norton]] or [[AVG]] protects a [[computer]] from [[virus]]es and malicious software (malware)that can destroy [[data]], slow a computer's performance, cause a crash, or even allow [[spammer]]s to send [[email]] through your account, such as spam, or other viruses to others on your mailing list by searching a computer's harddisk for programs and comparing it against a known set of malicious software and deleting or quarentining suspcious items and software. <ref>[http://onguardonline.gov/glossary.html OnGuard Online: Glossary] [[OnGuardOnline|OnGuardOnline.gov]]</ref>.

 

 

==References==

==References==