In fact, the features of most computer cleaner or repairer are pretty much the same, quite often the biggest difference is only the design on UI and usability. While PC Cleaner Pro's significant characteristic lies in it online database updating in real time, so it can continuously expand and improve its ability of detection and repair.

With the development of mobile devices and network, intelligent mobile phone has become a new paradise for hackers. Imagine, under this environment of everybody holds a smart phone nowadays, nothing is more active than the mobile phone viruses and the vulnerabilities' exploits of software and mobile network. Therefore, to understand and master some practical security tools seems necessary and meaningful.

ZBar (ANA: Bar Code Reader) is an open source and freeware desktop barcode/QR code scanning and reading tool for PC, supports for web camera and image scanning.

Although the Windows built-in control panel has the software uninstall function, its ability on detecting programs is not comprehensive. So, if you want to uninstall cleanly and thoroughly, you have to draw help from some 3rd part uninstallers, such as Final Uninstaller.

CDlinux is a mini GNU/Linux distribution, its name is from English words, short for "Compact Distro Linux". It comes with small size but very powerful functions (fastest and easiest) for Wi-Fi hacking/cracking.