Crack files

Are illegal files to activate the shareware or trial software and uses them in illegal way as a registered versions.Normally those files prepared by people called themselves Crackers.

Bad Sector

A sector on a computer's Hard Disk that cannot be used due to permanent damage, such as physical damage.


The CRC (Cyclic Redundancy Error) is a technique used for error detection in data communications. The technique gained its popularity because it combines three advantages: Extreme error...