Since relying on the idle backup can be unreliable for immediate needs, a scripted approach using Volume Shadow Copy Service (VSS) is recommended. This bypasses file locks and ensures a valid backup.
: If you run dir in the RegBack folder and see 0-byte files (DEFAULT, SAM, SECURITY, SOFTWARE, SYSTEM), the copy command will technically "work" but will overwrite your current registry with empty files, potentially making the system unbootable. Immediate Fixes for a Boot Loop regback copy not working
reg export HKLM\SYSTEM D:\RegistryBackup\SYSTEM.reg reg export HKLM\SOFTWARE D:\RegistryBackup\SOFTWARE.reg Since relying on the idle backup can be