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Does Firefox incorporate an anti-virus program or must I download one?

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The Web site says "Firefox integrates elegantly with your Windows anti-virus software. When you download a file, your computer’s anti-virus program automatically checks it to protect you against viruses and other malware" MY windows anti-virus software? I have been using IE9 built-in anti-virus software. Now that I've switched to FF, what should I do? Thanks, Al

The Web site says "Firefox integrates elegantly with your Windows anti-virus software. When you download a file, your computer’s anti-virus program automatically checks it to protect you against viruses and other malware" MY windows anti-virus software? I have been using IE9 built-in anti-virus software. Now that I've switched to FF, what should I do? Thanks, Al

Chosen solution

Yes you need.please use one antivirus in your pc otherwise it may cause crash, BSOD etc.:)

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None of browser have antivrus protection..Firefox have actually phising protection.. But its not an antivirus, it didnt gives you realtime protection against Malware, adware on your pc..you need to choose free or paid antivirus program for your pc

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Thank you. I've checked on line for an anti-virus program and have decided on AVG. However, it appears that Microsoft Security Essentials is still working and FF uses it. Is this correct? If I decide to switch to AVG, do I need to uninstall Microsoft Sec Essentials? Thanks for your help, Al

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Chosen Solution

Yes you need.please use one antivirus in your pc otherwise it may cause crash, BSOD etc.:)

Modified by Swarnava Sengupta