The good portable antivirus programs come with a bootable Operating System so that you can actually boot your PC off of the thumb drive (this means that the computer is booted without using its own boot system files which could possibly be infected by the virus), use the antivirus firewall software to detect the virus, clean the virus off the computer, and then allow the system to boot normally off of its own hard disk. These advanced and cleverly written antivirus and firewall software programs can also come with a network activity monitor. This is such a nice feature to use when you are trying to troubleshoot what is wrong with a virus infected computer. The network activity monitor acts as a portable firewall and can tell you what kind of traffic is coming in and out of your computer as well as tell you how much traffic is going to what location. When you are searching for free portable software, I would look for a vendor who has created a bootable USB option and a network activity monitor that integrates with the free antivirus program. The two movable antivirus programs that we recommend are Portable ClamWin and MicroWorld Free Antivirus.

Almost all computer technicians these days carry some kind of transferable device that uses antivirus firewall software to rid PCs of even the worst worm or virus. Even if you are a normal home computer user, go ahead and get yourself some antivirus and firewall software that can run on a transportable device. Someday you will be thankful that you have your own portable antivirus.

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