Regback Copy Not Working Updated Info
Fixing the "RegBack Copy Not Working" Error in Windows If you are trying to recover a corrupted Windows system using the Command Prompt, you might run into a frustrating issue. You navigate to C:\Windows\System32\config\RegBack , run the copy * ..\* command, and notice that all the registry hive files (SYSTEM, SOFTWARE, SAM, SECURITY, and DEFAULT) show a file size of .
If you have no System Restore points and your RegBack files are completely empty, your Windows registry cannot be manually restored using command-line copying. You must repair the OS operating files. Run Startup Repair Go to > Advanced options > Startup Repair .
Choose a restore point created before your system stopped booting. Click and then Finish to restore your system state. Method 2: Use System File Checker (SFC) and DISM
Since , Microsoft officially stopped automatically backing up the system registry to the RegBack folder to reduce disk usage. regback copy not working
Microsoft disabled automatic registry backups in Windows 10 (version 1803) and later to reduce the overall disk footprint of the operating system. The 0-Byte File Phenomenon The RegBack folder still exists in Windows.
I can provide the exact step-by-step commands to get your machine running again. Share public link
Right-click and create a new named EnablePeriodicalBackup . Set the Value data to 1 . Fixing the "RegBack Copy Not Working" Error in
How to Fix the "RegBack Copy Not Working" Issue in Windows If you are trying to recover a corrupted Windows system using the Command Prompt, you might have navigated to the C:\Windows\System32\config\RegBack folder only to find that the registry backup files (DEFAULT, SAM, SECURITY, SOFTWARE, SYSTEM) show a size of . When you try to copy them, the restore fails, or the backup simply does not work.
Windows will now create a backup of the registry during idle maintenance windows. Alternative Ways to Restore a Corrupted Registry
Once you have access to the correct files, you can perform the copy. If you see files with 0KB, do not proceed—it will break your system. You must repair the OS operating files
If you are on Windows 10 (1803 or later) or Windows 11, and your RegBack folder is empty, the best solution is to the legacy backup behavior. This will create usable backups on a regular schedule.
Here is a more formal version, in a table format:
dir C:\Windows\System32\config\RegBack
If your machine is currently working and you want to prevent this issue from happening in the future, you can manually force Windows to start backing up your registry again using the Windows Registry Editor. Press , type regedit , and hit Enter .
Do not use Explorer or copy to manually back up RegBack files. Use reg save or rely on properly configured scheduled task + full system backups.