After doing this, your PC will start backing up the registry hives to the RegBack folder again.
Reboot your computer for the changes to take effect.
How to Fix RegBack Copy Not Working in Windows If you are trying to recover a crashed Windows system using the Command Prompt, you might run into a frustrating issue: the files inside the \Windows\System32\config\RegBack folder are all 0 bytes in size. Because these registry backup files are empty, the standard copy command fails to restore your system.
Do you have any available in the recovery menu? What Windows version (10 or 11) are you currently running? Share public link
Starting with Windows 10 (version 1803) and continuing through Windows 11, Microsoft intentionally changed how the operating system handles registry backups. regback copy not working
user wants a long, informative article about "regback copy not working". This likely refers to issues with the regback command in Windows, which is used to back up the registry. I need to write a comprehensive guide covering possible causes, error messages, troubleshooting steps, and solutions. To gather information, I need to search for relevant resources. I'll search using both English and Chinese keywords since the user might be looking for content in either language. search results include several Microsoft Q&A threads and articles. I need to open the most relevant ones to get detailed information for the article. search results and opened pages provide a lot of information about the RegBack folder, including the fact that Windows 10 version 1803 and later no longer automatically back up the registry to the RegBack folder, leading to empty or missing files. I have also found information about common errors, including "The system cannot find the file specified." I will now organize the article with the following sections: Introduction, What is RegBack? Why Isn't It Working? Common Issues and Error Messages, The Root Cause: A Major Change in Windows, Advanced Solutions and Recovery, Re-enabling Legacy RegBack Backups, Proactive Backup Strategies and Final Recommendations, and Conclusion. I will cite the sources appropriately.'ve all been there: that sinking feeling when your PC won't start, landing you at a blue screen. Your first thought is to use a backup to fix the issue. You might then recall a built-in Windows safety net—the regback folder—only to be met with a frustrating error when you try to use it: "regback copy not working." This article is your complete guide to understanding this maddening issue, why it happens, and, most importantly, how to solve it.
Double-click EnablePeriodicBackup and set the to 1 .
Windows will now automatically back up your registry to the RegBack folder during maintenance cycles. Final Resort: Reset Windows Without Losing Files
Run the Deployment Image Servicing and Management tool: DISM.exe /Online /Cleanup-image /Restorehealth Run the System File Checker: sfc /scannow Method 4: Reset This PC After doing this, your PC will start backing
Type the following commands one by one, pressing after each: bootrec /fixmbr
He pulled the logs—fragmented, timestamped, and terse. The first failure was at 02:03: permission denied. At 02:05, "destination full." At 02:09, "no such file or directory." The machine offered a litany of small betrayals; together they painted a worrying picture.
Navigate to C:\Windows\System32\config and select the corrupted hive (e.g., SYSTEM ). Name the hive TmpSystem .
Don't wait for your registry to corrupt. Since Windows no longer backs it up automatically, take control: Because these registry backup files are empty, the
Identify your Windows drive letter (it might not be C: in the recovery environment). Type dir C: or dir D: until you find the drive containing the Windows folder. Assume it is C: for the steps below. Run the offline SFC scan by typing: sfc /scannow /offbootdir=C:\ /offwindir=C:\windows Use code with caution.
He opened an elevated command prompt, navigated to C:\Windows\System32\config , and typed:
If you are attempting to restore or back up your Windows registry using the traditional RegBack method—specifically by copying files from \Windows\System32\config\RegBack —and finding that it’s not working, you are likely encountering a change in Windows behavior.