ThreatFire is a good realtime protector for spyware, and then a great scanner is Superantispyware Free Edition. For more info about these programs check out: http://whoneedssoftware.blogspot.com/
Windows Defender
Antivirus and antispyware software might not detect malware because the virus database signature has not been updated. Malware is released constantly and it takes time to analyze it and add its signature to the database of an antivirus.There can be a lot of reasons why. Your software (definition files) might not be up to date. Also, its possible that the company your using does not have the malicious software in their "banned" list yet. I don't know what provider you use for your protection, but typically with virus and antispyware software you get what you pay for generally speaking.
The software is currently available for free at SpybotSD.com.
As per my knowledge you may run both of them together.The spyware software is used to track the identy theft while antivirus software is designed for preventing malware attacks. I personally recommend the following as the best antispyware and antivirus programs.Antispyware :-Super antispywareParetologic anti-spywareSpybotAntivirus:-KasperskyImmunetQuick heal
use a strong password for the administrator or root account install antivirus software install antispam software install antispyware software
terminate the process of your antivirus/antispyware/firewall software
AVG antispyware is one of the best antispyware systems around. It is very affordable and does not take up a lot of computer resources. It has high ratings and user satisfaction.
Business firewall software will protect each of the computer systems it is installed on. They often come with antispyware, antivirus, antispam, and content filtering options.
Take McAfee AntiSpyware as the representative. Facing so many antivirus and anti-spyware, most of computer users feel confused. Many software consumers search for the most popular and top-rank antivirus and anti-spyware software online, and then they choose one of them as their virus and spyware protection tool. However, they often find the software they choose do not suit them after using. We should admit that any software has its own specific advantage; meanwhile, certain software must also have its own consumer- orientation. In the following article, I will give a comprehensive review of McAfee AntiSpyware, which places extra emphasis on antivirus and anti-spyware protection for business. Why is McAfee AntiSpyware optimized for business? In general McAfee AntiSpyware meets the scalability and management requirements of businesses; it offers proactive protection against potentially unwanted programs that may affect your network, your users, and your productivity. Detailed analysis as following: 1, McAfee AntiSpyware is able to eliminate undetected spyware risks before they can cause damage. This function ensures high-speed internet access, thus improve user productivity and receive more help desk calls. 2, McAfee AntiSpyware's on-access scanning function can catch unwanted and problem programs before they have been installed on your system. You never need to wait until it has had a chance to multiply. 3, McAfee AntiSpyware's comprehensive database of PUPs can keep user's system stable and allow them to concentrate on their jobs. Different from other home anti-spyware programs, McAfee AntiSpyware provides protection for business from PUPs. It is useful from small businesses to the largest enterprise. Do not hesitate to choose McAfee AntiSpyware for your business! http://www.sharewarerating.com/mcafee-antispyware
AVG is a reputable free anti-virus program. It has paid options, but basic protection is no cost.
Windows antispyware was unsupported beta software that was later enhanced and became Windows Defender,
Windows antispyware was unsupported beta software that was later enhanced and became Windows Defender,