⚠️ 3 verified solutions available for Error 167 — Last updated 2026-03-13
Error 167 📋

How to Fix ERROR_LOCK_FAILED (Error 167)

Error 167, or ERROR_LOCK_FAILED, occurs when Windows is unable to lock a region of a file, often due to file corruption, permissions issues, or system resource constraints. This error can disrupt various system operations, including file access and modification. Resolving the issue typically involves addressing the underlying cause and taking corrective action to restore file access and system stability.

🏷️ Code: 167 📛 ERROR_LOCK_FAILED 📅 Updated: 2026-03-13 ⏱️ 3 Solutions

🎮 Common Scenario: Are you experiencing Error 167 while launching or installing Apex Legends? The solutions below directly address the system interactions specific to this application.

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💡 What is Error 167?

The ERROR_LOCK_FAILED error is triggered when the Windows operating system attempts to lock a portion of a file for exclusive access, but fails to do so. This locking mechanism is crucial for preventing concurrent modifications to a file, which could lead to data corruption or inconsistencies. The error can arise from various sources, including but not limited to, file system issues, software conflicts, or hardware problems. When this error occurs, it may prevent applications or system services from accessing or modifying files, potentially leading to application crashes, data loss, or system instability. Understanding the root cause is essential for applying the appropriate fix. The error can manifest in different scenarios, such as during file operations like reading, writing, or deleting, and may be accompanied by other error messages or system event log entries. Identifying and resolving the issue promptly is crucial to maintain system reliability and performance.

⚠️ Common Causes

  • File corruption or inconsistencies in the file system
  • Insufficient permissions or access rights to the file or directory
  • System resource constraints, such as low memory or high disk usage

Step-by-Step Solutions

1 Check and Repair File System Errors
  1. Run the Check Disk utility (chkdsk) to identify and fix file system errors
  2. Use the System File Checker tool (sfc) to scan for corrupted system files
  3. Restart your system after completing the checks and repairs
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Show Advanced Solutions (2 more)
2 Adjust File Permissions
  1. Right-click the file or directory and select Properties
  2. In the Properties window, go to the Security tab and click Edit to change permissions
  3. Ensure that the user or application has the necessary permissions to access the file
3 Advanced Fix: System Resource Management
  1. Close unnecessary applications to free up system resources
  2. Consider upgrading system hardware, such as RAM, for improved performance
  3. Monitor system event logs for recurring errors or warnings related to resource constraints

🛡️ Prevention Tips

  • Regularly run disk cleanup and disk defragmentation tools
  • Use reliable antivirus software to protect against malware
  • Implement a backup strategy to safeguard important files
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Last updated: 2026-03-13
📖
Based on Official Microsoft Documentation
Solutions Tested on Windows 10 & 11
Error codes sourced from Microsoft Win32 SDK. Updated 2026-03-13.
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