"Avira AntiVir Rescue System is a Linux-based application that allows accessing computers that cannot be booted anymore. Thus it is possible to: 'repair a damaged system, rescue data, scan the system for virus infections' " http://www.free-av.com/en/tools/12/avira_antivir_rescue_system.html other free tools - lower left: http://www.free-av.com/en/download/index.html