At the heart of your PC's Operating System lies the Registry - something that'll become increasingly bloated as you install or uninstall programs. With every such action, it's likely strings will remain in your Registry that don't relate to anything anymore.

Back in the old days, non-virus threats were generally called adware. Ad-Aware was among the first on the scene to provide a solution to the woes of these new threats and their more insidious cousins who would follow

Lavasoft's first foray into the personal firewall market isn't entirely new. Lavasoft Personal Firewall 1.0 is the product of a licensing agreement with Agnitum, makers of the Outpost family of firewalls