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.
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.
Mirror is nothing utility in antivirus software
Comodo Antivirus is a free antivirus software that allows users some level of customizability. In terms of price it cannot be beat and it also provides a decent level of protection for computers.
The best firewall software solely depends on a persons needs and price range. A good firewall software to use is Norton Antivirus, due to it being reasonably priced, offering free trials, and overall a good protector against computer viruses.
AVG is a free antivirus program available on the internet. Other options for free antivirus software are Panda Security, Immunet, and, ZenOK. All are available for free via direct downloads from their respective websites.
Id say Malwarebytes. Very good antivirus software in my opinion! Hope that helps.
Application software
"antivirus" is protective software designed to defend your computer against malicious software.
Antivirus software will notice about the virus,malware,spyware etc
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.
Free antivirus software can be obtained through the AVG website. Their free version does not have all the same features as the full version but it does a good job of protecting your computer.