No, it does not give you a virus if you use McAfee, nor without an AV at all; IMVU is virus-free.
Some problems identified by a McAfee Virus scan would be computer viruses such and worms and trojans. It will find a virus, then remove it from your computer.
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No, McAfee virus protection is not hardware. Instead, it is a software program. Hardware is the physical parts of a computer, but software is computer code. So an antivirus program is software, not hardware.
Most new computers give anti virus protection software which you can renew. Alternatively try Norton or McAfee anti virus programme which you can install online and they will do the job for you.
"The questions answered on the McAfee homepage are how one acquires a virus (or malware), how a virus would get past an anti-virus program, who creates these viruses, and how contracting a computer virus can be prevented in the future."
You will have to buy some Anti Virus software on a Disk like McAfee for example. You can then scan your whole computer and remove the virus.
If you have McAfee, I recommend that you uninstall it. I used to have McAfee and if it detects a virus, it will quarantine it, but not delete it. You're better off installing Symantec or Norton 360.
Your computer will be the safest around if you use McAfee virus protection. However, in order to maintain that high level of protection you will have to update your computer frequently so that you can protect it against the latest viruses. Your computer will be just as safe with any anti-virus software. What makes your computer safe is your attention to keeping the virus definitions up to date. That is the most critical part of any anti-virus software.
McAfee is a company that is known for the development of anti-virus computer software. A free download of their basic software can be found at the official McAfee website.
There are several computer software packages that can remove viruses. Depending on the specific virus, one could try Norton Anti-Virus products, or McAfee.
Do a simple google search for "Computer virus list" and mcafee should come up first.