Instructions in advance, after Lavalys's EVEREST (from Canada) was discontinued, FinalWire's AIDA64 (from Hungary) became its successor. EVEREST Ultimate Edition is now AIDA64 Extreme Edition, and EVEREST Corporate Edition is now AIDA64 Business Edition.
For guys who often reinstall Windows, you must be able to realize that the reinstallation of OS itself is just a piece of cake comparing with the following more troublesome and time-consuming drivers installation. As a result, most often, a one-stop driver installer/updater always makes things much easier.
Bad sector (bad track) is one of the most common failures of mechanical hard disk (HDD), which usually characterizes hard disk reads/writes slow, system prompts "... I/O error", program gives "cyclic redundancy check (CRC) error", etc. In these cases, we need use some specially designed tools to correctly detect whether our hard disk has had bad sectors or not, and nip in the bud.
MemTest is a smal and simple memory testing tool, it can give you a complete memory stability testing through the long time running, as well as the abilities of memory storage and data retrieval, lets you know the reliability of your using memory.