Antispyware Shield Pro is not a real system security program although it tries to present itself as one. AntispywareShieldPro is a fraud distributed online and meant to trick the users into purchasing the license for using the application. Unfortunately, Antispyware Shield Pro is not able to provide any kind of computer protection services. The purpose of this malicious applications is to sell itself by pretending to be a real antivirus.

Source: http://www.spywared.com/spyware-removal-instructions/2009/12/29/remove-antispyware-shield-pro-antispyware-shield-pro-removal.html