Hot CPU Tester Pro is a system health and stability tester. It tests CPU, and virtually all parts of motherboard for errors, bugs and defective components. It is a burn-in test with uniquely designed state of the art DefectTrack engine. DefectTrack is a technology developed by 7Byte Computers to diagnostic systems regarding its stability and in general computer's health. Version 4.4 adds improved support for Vista, improved support for the newer Intel and AMD processors and improved Hard Disk module test.