Click Apply → OK.
As mentioned, from Windows 10 1803 onward, the default behavior was changed. The registry key:
Once the SFC scan completes, run a deployment image repair tool check: dism /image:C:\ /cleanup-image /restorehealth 3. Uninstall Recent Windows Updates
The RegBack folder still exists in your directory tree, but the files inside ( DEFAULT , SAM , SECURITY , SOFTWARE , SYSTEM ) are now placeholders with a file size of 0 KB.
If you want the old automatic backup system (where actual, copyable files appear in RegBack ), you can re-enable it via the Registry (ironic, we know).
Alex wasn’t worried. Windows automatically backs up the registry to C:\Windows\System32\config\RegBack . He’d read that Windows 10 and Server 2016 keep a copy of the SAM, SYSTEM, SOFTWARE, SECURITY, and DEFAULT hives there. He just needed to copy them back.
dism /image:C:\ /cleanup-image /restorehealth
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 .
Understanding the cause is half the battle. Below are the most common reasons why the registry backup mechanism fails.
Regback Copy Not Working //free\\ Here
Click Apply → OK.
As mentioned, from Windows 10 1803 onward, the default behavior was changed. The registry key:
Once the SFC scan completes, run a deployment image repair tool check: dism /image:C:\ /cleanup-image /restorehealth 3. Uninstall Recent Windows Updates regback copy not working
The RegBack folder still exists in your directory tree, but the files inside ( DEFAULT , SAM , SECURITY , SOFTWARE , SYSTEM ) are now placeholders with a file size of 0 KB.
If you want the old automatic backup system (where actual, copyable files appear in RegBack ), you can re-enable it via the Registry (ironic, we know). Click Apply → OK
Alex wasn’t worried. Windows automatically backs up the registry to C:\Windows\System32\config\RegBack . He’d read that Windows 10 and Server 2016 keep a copy of the SAM, SYSTEM, SOFTWARE, SECURITY, and DEFAULT hives there. He just needed to copy them back.
dism /image:C:\ /cleanup-image /restorehealth Uninstall Recent Windows Updates The RegBack folder still
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 .
Understanding the cause is half the battle. Below are the most common reasons why the registry backup mechanism fails.
