The top three would be Bitdefender Antivirus Plus, Kaspersky Anti-Virus, and Norton AntiVirus. There are many other good options when it comes to looking for antivirus protection.
NOD32 antivirus software offers a small file size when compared to other antivirus brands. It has also failed to miss an "In-The-Wild" virus, a claim that no other antivirus software can make.
YES An antivirus is a utility program
There are certainly similar software offerings on the market that outperform and have a better reputation than CA antivirus. However, for the price CA antivirus in considered to be OK.
One can download Microsoft antivirus software directly from the Microsoft website. It is a matter of personal opinion which software is considered the best.
Mirror is nothing utility in antivirus software
I do not think this will be of use in the long run. Antivirus software is commonly updated via webupdates, which can be tens of megabytes. If you prefer not to download the software, then how will you be updating the antivirus software.
Application software
Antivirus software will notice about the virus,malware,spyware etc
"antivirus" is protective software designed to defend your computer against malicious software.
Avira is considered the best free software (free-av.com).
One can download eTrust antivirus software for free from sites such as CNET download, bestshareware, or techserious. It is reviewed by CNET as being a dependable antivirus software.
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