You certainly can get virus protection without spending a lot of money. I would suggest the free software from Norton,www.Norton.com.
go to www.housecall.com and run the online virus-malware scan. Lis@
Most anti-virus softwares have an option, or can be purchased with or without a firewall.
Most people do not require additional virus protection for their Macs. Mac OS X is not invulnerable to viruses but it is much more secure than Windows. I have used Macs for a number of years without any issue, without additional virus protection.
There are some indicators that a computer might be infected which are available at Microsoft siteScan your system regularly with antivirus and antispyware.Update your softwares frequently.
Uninstall the virus protection. (Some are notoriously difficult to get rid of).
Have EXTREMELY good virus protection
anti-virus
"The McAfee virus protection software is as effective as other major virus protection software brands, and offers many typical features, such as firewall protection, e-mail filtering, and website security checks for safe internet browsing."
We need virus protection software to safe your PC from Online and Offline threats.
One can find reviews on virus protection programs on the official websites of the virus protection program providers. In addition, one can find reviews on blogspots.
Information on downloading virus protection can be found online from many virus protection related resources. Some examples include PCMag and Gizmodo.
Windows Live OneCare has Anti-virus, firewall, spyware protection