Starting with Windows 10 (version 1803) and continuing through Windows 11, Microsoft disabled the automatic registry backup feature to save disk space.
Windows now relies on System Restore points and automated backups rather than the legacy RegBack folder. Step 1: Verify the RegBack File Sizes
Run the offline System File Checker command (replace C: with your actual Windows drive letter if different): sfc /scannow /offbootdir=C:\ /offwindir=C:\windows
Now that you know the core problem, let's explore the solutions. These range from simple diagnostics to advanced registry tweaks and recovery methods. regback copy not working
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If you are trying to use the old-school xcopy or copy trick from a recovery USB, it will not work unless you manually enabled the backup feature before your computer crashed. How to Fix a Broken System When RegBack Fails
However, starting with Windows 10 version 1803 (released in 2018) and continuing through Windows 11, to save disk space. The RegBack folder still exists in the system directory. The scheduled task responsible for the backup still runs. Starting with Windows 10 (version 1803) and continuing
However, for years, this safety net has been, at best, unreliable. Many users have the terrifying experience of successfully navigating through the recovery environment to the RegBack folder, only to find its contents all 0 KB in size or completely empty.
When you get "Access Denied" errors, you need to take ownership of the relevant files from within the Recovery Environment.
Because you cannot rely on the empty RegBack folder, you must use alternative recovery methods to restore your system registry or fix the underlying boot loop. Try these solutions in order. Solution 1: Use System Restore via Command Prompt These range from simple diagnostics to advanced registry
Don't wait for your registry to corrupt. Since Windows no longer backs it up automatically, take control:
The reality is that Microsoft quietly changed how Windows handles registry backups several years ago. If your RegBack copy is not working, it is usually because the files inside the folder are 0 bytes in size.