a-squared (a2) Personal Cost: $39 Get the full version     Trial version     Developer's Website Contacting third-party download site please wait. If your download does not start, click here, or get the full version Descriptions a-squared (a2) Personal: a-squared (a2) is a complementary product to antivirus software, which is specialized in protection against harmful software. Antivirus software often features an inadequate protection against Trojans, Dialers, Worms and Spyware. a-squared fills this gap. The background guard blocks Malware immediately if it is run. It analyses live all running programs by their behavior. So it is nearly impossible for Malware to infect your PC. Currently more than 26,000 different types of Malware can be removed. Free online updates provides best protection. a-squared is an install an forget application because there is no need for further configuration or update work.