What is REGISTRY_ERROR?
The REGISTRY_ERROR bug check has a value of 0x00000051. This BSOD indicates that an I/O error occurred while the registry was trying to read one of its files, or that the registry has become corrupted due to hardware or file system faults.
Common Causes
- Corrupt registry hives due to power loss or crash
- Failing storage drives (SSD/HDD) containing registry files
- Corrupted file system structures
Step-by-Step Fix Guide
-
1
Perform a system restore to a point before the registry error occurred
Running chkdsk is critical to repair bad sectors holding registry files.
-
2
Check disk file system for integrity errors
SFC in offline recovery mode can restore base registry files from backup.
-
3
Run SFC and DISM in Windows Recovery Environment
-
4
Check drive health status using SMART utilities
Commands & Diagnostics
chkdsk C: /f /rsfc /scannow /offbootdir=C:\ /offwindir=C:\WindowsStill Need Help?
Search our full database of 481+ documented PC errors for more solutions and step-by-step repair guides.
Search Error Database