⚠️ 1 verified solutions available for Error 6638 — Last updated 2026-03-13
Error 6638 📋

Fix ERROR_LOG_FULL_HANDLER_IN_PROGRESS — Windows Error Code 6638

Error 6638 (ERROR_LOG_FULL_HANDLER_IN_PROGRESS) is a Windows Networking error that occurs when a request has already been made to handle the log full condition.. This guide provides step-by-step solutions to resolve this issue.

🏷️ Code: 6638 📛 ERROR_LOG_FULL_HANDLER_IN_PROGRESS 📅 Updated: 2026-03-13 ⏱️ 1 Solutions

🎮 Common Scenario: Are you experiencing Error 6638 while launching or installing Cyberpunk 2077? The solutions below directly address the system interactions specific to this application.

⚡ Quick Fix

Complete Network Reset: Open Command Prompt as Administrator

👇 See all 1 solutions below

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📑 Table of Contents
What is Error 6638? Common Causes Step-by-Step Solutions Prevention Tips Related Errors

💡 What is Error 6638?

Windows System Error Code 6638, known as ERROR_LOG_FULL_HANDLER_IN_PROGRESS, is a Networking error that occurs during advanced networking, Winsock, and IPSec. The error indicates that: A request has already been made to handle the log full condition. When this error is encountered, the Windows operating system was unable to complete the requested operation within the networking stack subsystem. The error code 6638 is returned by the GetLastError() function and provides developers with a specific identifier to diagnose the root cause of the failure. The symbolic name ERROR_LOG_FULL_HANDLER_IN_PROGRESS maps directly to this numeric code and is commonly referenced in Microsoft documentation, developer forums, and system logs. Understanding this error and its context within advanced networking, Winsock, and IPSec is essential for effective troubleshooting.

⚠️ Common Causes

  • Network driver outdated/incompatible
  • TCP/IP stack corruption
  • IP configuration incorrect
  • Remote resource unreachable
📚 Comprehensive Guide

The Complete Windows Event Viewer Masterclass for Crash Investigation

A deep dive into parsing the Windows Event Viewer, filtering DCOM / Service Control Manager logs, and finding the true root cause of silent application crashes.

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✅ Step-by-Step Solutions

1 Complete Network Reset
  1. Open Command Prompt as Administrator
  2. Run: netsh winsock reset && netsh int ip reset
  3. Run: ipconfig /release && ipconfig /renew
  4. Restart your computer

🎬 Video Tutorials

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How To Fix Network Error Windows 10 11
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💻 Diagnostic Command

Run this PowerShell command to find related events in your system log:

Get-EventLog -LogName System -Newest 20 | Where-Object {$_.Message -like "*6638*" -or $_.Message -like "*ERROR_LOG_FULL_HANDLER_IN_PROGRESS*"} | Format-List

💡 Open PowerShell as Administrator, paste the command above, and press Enter.

🛡️ Prevention Tips

  • Update drivers from manufacturer site
  • Monitor network utilization
  • Document network configuration
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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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