ERROR_DATA_LOST_REPAIR - 6843 (0x1ABB)
Windows has discovered corruption in a file, and that file has since been repaired. Data loss may have occurred.
Updated: Feb 21, 2026
Technical Meaning
The ERROR_DATA_LOST_REPAIR error code, with the numeric value 6843 and hexadecimal representation 0x1ABB, indicates that Windows has detected corruption in a file. The system attempted to repair the file, but data loss may have occurred during this process.
Error Details
This error is typically generated by the operating system when it encounters issues with file integrity. It suggests that the file's content was not entirely recoverable or that some data within the file was lost due to corruption. The system has attempted to repair the file, but the extent of the damage and the success of the repair are uncertain.
Usage Context
This error code is relevant in scenarios where files are accessed or modified by applications or services running on a Windows operating system. It can occur during various operations such as file reads, writes, or deletions if the underlying storage medium or file system integrity checks detect corruption.
Developer Interpretation
Developers should interpret this error code as an indication that a file has been corrupted and may have lost some of its data. The exact nature of the corruption and the extent of the loss are not specified, but it is advisable to handle files affected by this error with caution. Developers should consider implementing robust data validation and recovery mechanisms in their applications to mitigate potential issues.
Related Errors
ERROR_FILE_CORRUPTED(0x80070570)ERROR_WRITE_FAULT(0xC000009C)ERROR_READ_FAULT(0xC000009A)
These errors may occur in conjunction with ERROR_DATA_LOST_REPAIR, indicating various levels of file corruption and data loss.
FAQ
Q: What does the ERROR_DATA_LOST_REPAIR error mean?
A: This error indicates that Windows has detected and attempted to repair a corrupted file, but some data may have been lost in the process.
Q: How can I prevent this error from occurring?
A: Regularly backing up files, using reliable storage media, and ensuring consistent system updates can help reduce the likelihood of encountering this error.
Summary
The ERROR_DATA_LOST_REPAIR error code is a specific indication that Windows has detected corruption in a file and attempted to repair it. While the exact nature of the corruption and extent of data loss are not specified, developers should be aware of this error and implement appropriate measures to handle files affected by it.