Fix REGISTRY_ERROR Blue Screen
We will be taking a look at the following fixes to get rid of the REGISTRY_ERROR on Windows 11/10: If you cannot boot Windows normally, you may have to try and boot in Safe Mode or into Advanced Startup options screen to be able to carry out the fixes. You will need to make use of the Command Prompt. For some strange reason if you can boot in Safe Mode but cannot access the Advanced Startup Options screen, when in Safe Mode, you may use the Command Prompt to boot Windows directly to Advanced Startup Settings screen.
1] Run Check Disk
We will use the command line version of ChkDsk to get more done. Run Command Prompt as Administrator and execute the following command: It will either start checking for errors and fixing them, or it will show up a message saying – Chkdsk cannot run because the volume is in use by another process, Would you like the schedule this volume to be checked the next time the system restarts? (Y/N) Hit Y for scheduling the Disk Check the next time the system restarts.
2] Use System File Checker
Run CMD as Administrator and then execute the following command to run System File Checker: Restart your system after the scan is completed.
3] Use DISM
Now, in order to fix corrupted System Image using DISM, open Command Prompt (Admin) and enter the following three commands sequentially and one by one and hit Enter: Let these DISM commands run and once done, restart your computer and try again.
4] Reset your computer
You may need to Reset your PC via Settings.
5] Repair Windows using installation media
If nothing helps, you need to Repair Install your copy of Windows. Use an installation media to do this. All the best!