ERROR_LOG_SECTOR_INVALID - 6600 (0x19C8)

Log service encountered an invalid log sector.

Updated: Feb 21, 2026

Technical Meaning

The ERROR_LOG_SECTOR_INVALID error code indicates that the log service encountered a sector within the log file or storage medium that is not valid. This can occur when attempting to read from or write to a log file, where the specified sector does not contain expected data.

Error Details

This error typically arises in scenarios involving logging services and their interaction with underlying storage mechanisms. The term 'sector' refers to a specific unit of data on a storage device, such as a hard disk or solid-state drive (SSD). An invalid sector could be due to corruption, hardware failure, or other issues that prevent the log service from accessing the expected data.

Usage Context

The ERROR_LOG_SECTOR_INVALID error can appear in various contexts where logging services are employed. This includes system logs, application logs, and event logs managed by Windows operating systems. Developers may encounter this error when implementing custom logging solutions or troubleshooting issues related to log file integrity.

Developer Interpretation

When encountering the ERROR_LOG_SECTOR_INVALID error, developers should interpret it as a signal that there is an issue with the log sector being accessed. This could indicate corrupted data within the log file, incorrect sector references, or problems with the storage medium itself. Developers are advised to validate input parameters and ensure that all operations on the log files adhere to expected protocols.

Related Errors

  • ERROR_LOG_FILE_CORRUPTED (5120): Indicates a more severe corruption issue within the log file.
  • ERROR_LOG_WRITE_FAILURE (6483): Occurs when there is a failure in writing data to the log, which may be related to sector issues.

FAQ

Q: What does the ERROR_LOG_SECTOR_INVALID error mean?

A: It indicates that an invalid sector was encountered during logging operations. This could be due to corruption or hardware issues with the storage medium.

Q: How can I troubleshoot this issue?

A: Review the context of the operation, validate input parameters, and ensure that all log files are properly formatted and not corrupted.

Summary

The ERROR_LOG_SECTOR_INVALID error code is a generic indication that an invalid sector was encountered during logging operations. Developers should focus on validating inputs and ensuring proper handling of log files to mitigate this issue.