Antivirus software are computer programs which are designed to identify, prevent and remove viruses from a computer. They perform the following tasks in a computer:
- Scan the computer files to look for known viruses from virus dictionary.
- Identify suspicious behavior from any computer program which might indicate infection.
- scan the incoming e-mails which might contain virus in attachment. Simply installing an antivirus software in our computer does not guarantee the 100% protection, as the installed antivirus program would not be able to detect any new virus programs. We should update our computer with the latest versions of antivirus definition. Most of the antivirus software companies provide the facility to download the latest updates from their websites. some popular antivirus software in use nowadays are as follows:
- Mcafee
- Symantec Norton Antivirus
- AVG Antivirus
- Quick Heal
- Microsoft security Essential
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