ERROR_REGISTRY_CORRUPT - 1015 (0x3F7)
The registry is corrupted. The structure of one of the files containing registry data is corrupted, or the system's memory image of the file is corrupted, or the file could not be recovered because the alternate copy or log was absent or corrupted.
Updated: Feb 21, 2026
Technical Background
The ERROR_REGISTRY_CORRUPT (1015, 0x3F7) error indicates that the Windows registry has encountered a corruption issue. This can occur due to various reasons such as hardware failure, software conflicts, or improper shutdowns.
Error Details
When this error is reported, it suggests that either one of the files containing registry data is corrupted, or the system's memory image of the file is corrupted. Additionally, if the corruption cannot be recovered, it might be due to the absence or corruption of an alternate copy or log file.
Common Causes
- Corrupted Registry File: A specific file within the registry may have become corrupt, leading to this error.
- Memory Image Corruption: The system's in-memory representation of a registry file could be corrupted.
- Missing Alternate Copy or Log: If the system relies on an alternate copy or log for recovery and that is also corrupted, the corruption cannot be resolved.
Real-World Context
This error can occur during various operations such as booting the system, running certain applications, or performing administrative tasks. It typically indicates a critical issue that requires immediate attention to prevent further data loss or system instability.
Is This Error Critical?
Yes, this error is critical and should be addressed promptly. Continued operation with a corrupted registry can lead to unpredictable behavior, application failures, and potential system crashes.
How to Diagnose
Reviewing Operation Context
- Check the event logs for any preceding errors or warnings that might indicate the cause of corruption.
- Verify the integrity of all relevant registry files using tools like
regeditwith the/sswitch to scan for corruptions.
Validating Parameters
- Ensure that no invalid parameters were passed during operations involving the registry, such as key deletions or modifications.
Confirming Object Types
- Verify that the correct object types are being accessed and modified. Incorrect object type can lead to corruption issues.
How to Resolve
- Restore Data: If a backup is available, restore the corrupted registry files from a known good state.
- Run Registry Check: Use tools like
chkdskor third-party utilities designed for registry repair. - Rebuild Registry: In severe cases, consider rebuilding the entire registry using system recovery options.
Developer Notes
Developers should ensure that all operations involving the Windows registry are performed with proper validation and error handling. This includes validating parameters, ensuring correct object types, and implementing robust error recovery mechanisms to prevent such issues from occurring.
Related Errors
ERROR_FILE_CORRUPT(2147942403, 0x8007065B): Indicates a corrupted file.ERROR_LOGON_FAILURE(2147942402, 0x8007052E): May occur if the system cannot recover from registry corruption due to missing log files.
FAQ
Q: What causes the ERROR_REGISTRY_CORRUPT error?
A: The error can be caused by hardware failure, software conflicts, or improper shutdowns that lead to corrupted registry files or memory images.
Q: How do I prevent this error from occurring?
A: Regularly back up your registry and ensure proper system maintenance. Use tools like chkdsk to check file integrity and avoid performing operations with invalid parameters.
Summary
The ERROR_REGISTRY_CORRUPT (1015, 0x3F7) error is a critical issue that requires immediate attention. It indicates corruption in the Windows registry, which can lead to unpredictable system behavior. By understanding the causes and implementing appropriate diagnostic and resolution steps, you can mitigate this risk and ensure system stability.