The Avira AntiVir Rescue System a linux-based application that allows accessing computers that cannot be booted anymore. Thus it is possible to repair a damaged system, to rescue data or to scan the system for virus infections. Just double-click on the rescue system package to burn it to a CD/DVD. You can then use this CD/DVD to boot your computer. The Avira AntiVir Rescue System is updated several times a day so that the most recent security updates are always available.

For the Avira Rescue System, you need a PC/ Notebook with:
RAM: at least 512 MB, 750 MB recommended CD-ROM drive or free USB slot
Keyboard (mouse recommended)
Resolution: at least 800x600 Pixel

Homepage - http://www.avira.com/