CounterSpy 1.0.22 

One of the biggest problems nowadays are spyware and other malware. Users want protection and want it to be best quality. One of the better solutions is CounterSpy from Sunbelt. This anti-spyware is capable to detect, remove and protect your computer from various spyware, malvare, etc.
Advantages:

• Supports Windows 98, Windows Me, Windows 2000, Windows XP and Windows 2003 Server.
• Available free 15-day trial.
• Price only $19.95 to buy.
• Real-time protection.
• Provides descriptions of founded malware.
• Blocking before spyware installation and download.
• Tracks keyloggers.
• Provides fast full system scan.
• System scan is complete.
• During scan computer doesn't slow down.
• Provides system immunization.
• This software has an advanced feature useful for everyone- Secure File Eraser.
• Userfriendly
• Automatic updates.
• Technical support and useful help service
• It finds most of Trojans.

Disadvantages:

• Counterspy detects spyware on computer in its own quarantine folder.
• it doesn't check out other browsers
• It costs more than other similar programs.
• Sometimes if find files, that are safe but it may announce that it is highly elevated threat.
• Database of threats is a little bit too old.
• It can crash on Windows ME.
• Poor system immunization.
• Finds not all spyware.

This program isn't perfect, but for decent price it's valuable. Many users states that it's one of the best anti-spyware.