Registry Backup is a free backup tool that will use the Windows Volume Shadow Copy Service to backup your system registry.

Key Features:

•  The program is 100% free.
•  One click backup and restore.
•  Can restore from Windows Safe Mode.
•  Portable version can be run from a thumb drive and keep backups of multiple systems.
•  Automatic cleanup of older backups.
•  Set and control scheduling options.
•  Can backup & restore all user profiles on the system, not just the ones that are currently loaded.
•  Control which registry files are backed up or restored.
•  Detailed logs are saved with each backup.
•  Multiple easy restore options.
•  Online videos showing how to use the program and how to use the different restore options.