Quick Heal Professional Antivirus protects your laptops and computers and prevents the dangers and threats that can be secretly entered into your system while using the Internet, checking emails, chatting, etc. Once installed, the program acts as a shield against viruses, worms, trojans, spywares and other malicious threats. The service also protects against malicious new and unknown viruses using QuickHeal اری proprietary DNAScan technology to block malicious websites. Quick Hill Professional Antivirus uses very few resources and increases protection without slowing down your computer.