CoolWebSeach is a security alert displayed that is displayed by Trojan like Zlob or rogue antispyware programs like PCPrivacyCleaner, Antivirus 2008, AntiSpyCheck, VirusHeat. These types of Rogue antispware usually can be installed by fake video codec’s like Video ActiveX Codec that actually install Trojan Zlob.
CoolWebSeach can slow user's computer performens and can cause critical system errors. Do not trust any rogue anti-spyware programs that promotes CoolWebSeach and delete him as soon as possible.