Farbar Recovery Scan Tool, or FRST, is a portable application designed to run in the Windows Vista and Windows 7 Recovery Environment in order to diagnose and fix boot issues. This tool can also be used in Windows XP if the system can boot to Recovery Environment by using a PE Boot CD.
This program will display detailed information about the Windows Registry loading points, services, driver services, Netsvcs entries, known DLLs, Exe associations, drives, and partition specifications. It will also list some important system files that could be patched by malware.
Note: There are both 32-bit and 64-bit versions of Farbar Recovery Scan Tool available. Please pick the version that matches your operating system’s bit type.