⚠️ 3 verified solutions available for Error 102 — Last updated 2026-03-07
Error 102 📋

How to Fix ERROR_SEM_IS_SET (Error 102)

The ERROR_SEM_IS_SET error, also known as Error 102, occurs when a semaphore is set and cannot be closed, often due to system resource conflicts. This error can cause system instability and application crashes. Resolving this issue requires understanding semaphores and system resources.

🏷️ Code: 102 📛 ERROR_SEM_IS_SET 📅 Updated: 2026-03-07 ⏱️ 3 Solutions
🐞 Auto-Fix Script for Error 102
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📑 Table of Contents
What is Error 102? Common Causes Step-by-Step Solutions Prevention Tips Related Errors

💡 What is Error 102?

The ERROR_SEM_IS_SET error can also occur due to system configuration issues, such as incorrect registry settings or incompatible device drivers. In some cases, the error can be triggered by a malfunctioning system service or a buggy application. To troubleshoot this error, it's essential to analyze system logs, monitor system performance, and identify any patterns or correlations that may indicate the root cause. By understanding the system's behavior and identifying the underlying cause, administrators can take targeted corrective action to resolve Error 102 and prevent future occurrences.

⚠️ Common Causes

  • Incompatible or malfunctioning device drivers
  • System configuration issues, such as incorrect registry settings
  • Buggy or crashing applications that fail to release system resources
📚 Comprehensive Guide

Demystifying the Windows Registry: Safe Cleaning, Repair, and Backup

An encyclopedia on the core architecture of the Windows Registry, how to fix registry corruption errors, and why registry cleaners should be avoided.

Read the full guide →

✅ Step-by-Step Solutions

1 Restart the System
  1. Restart the computer to clear any temporary system resource conflicts
  2. Verify that all system services are started and running normally
  3. Check for any system updates or patches
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2 Update Device Drivers
  1. Identify and update any outdated or incompatible device drivers
  2. Use the Device Manager to scan for and update drivers
3 Advanced System Troubleshooting
  1. Analyze system logs to identify any patterns or correlations
  2. Use system monitoring tools to track system performance and resource usage

🎬 Video Tutorials

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🛡️ Prevention Tips

  • Regularly update system drivers and software
  • Monitor system performance and resource usage
  • Implement a robust system backup and recovery plan
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Last updated: 2026-03-07
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Based on Official Microsoft Documentation
Solutions Tested on Windows 10 & 11
Error codes sourced from Microsoft Win32 SDK. Updated 2026-03-07.
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