⚠️ 2 verified solutions available for Error 4050 — Last updated 2026-03-23
Error 4050 📋

Fix PEERDIST_ERROR_CONTENTINFO_VERSION_UNSUPPORTED — Windows Error Code 4050

Error 4050 (PEERDIST_ERROR_CONTENTINFO_VERSION_UNSUPPORTED) is a Windows DNS & WINS error that occurs when the version of the supplied content information is not supported.. This guide provides step-by-step solutions to resolve this issue.

🏷️ Code: 4050 📛 PEERDIST_ERROR_CONTENTINFO_VERSION_UNSUPPORTED 📅 Updated: 2026-03-23 ⏱️ 2 Solutions
⚡ Quick Fix

Flush DNS and Switch Servers: Open Command Prompt as Administrator

👇 See all 2 solutions below
🐞 Auto-Fix Script for Error 4050
⚠️ How to use: Open PowerShell as Administrator, paste the code above, and press Enter.
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📑 Table of Contents
What is Error 4050? Common Causes Step-by-Step Solutions Prevention Tips Related Errors

💡 What is Error 4050?

Windows System Error Code 4050, known as PEERDIST_ERROR_CONTENTINFO_VERSION_UNSUPPORTED, is a DNS & WINS error that occurs during DNS resolution and WINS name resolution. The error indicates that: The version of the supplied content information is not supported. When this error is encountered, the Windows operating system was unable to complete the requested operation within the DNS/WINS services subsystem. The error code 4050 is returned by the GetLastError() function and provides developers with a specific identifier to diagnose the root cause of the failure. The symbolic name PEERDIST_ERROR_CONTENTINFO_VERSION_UNSUPPORTED 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 DNS resolution and WINS name resolution is essential for effective troubleshooting.

⚠️ Common Causes

  • System resource conflict: The version of the supplied content information is not supported.
  • DNS server misconfigured
  • Stale DNS cache entries
  • Hostname cannot be resolved
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✅ Step-by-Step Solutions

1 Flush DNS and Switch Servers
  1. Open Command Prompt as Administrator
  2. Run: ipconfig /flushdns
  3. Change DNS to Google (8.8.8.8) or Cloudflare (1.1.1.1)
  4. Run: ipconfig /registerdns
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2 Advanced Diagnostic for PEERDIST_ERROR_CONTENTINFO_VERSION_UNSUPPORTED
  1. Open Windows Event Viewer (eventvwr.msc)
  2. Navigate to Windows Logs → System to find Event ID 4050
  3. Look for associated warnings that occurred immediately before the system crashed
  4. Right-click the entry and export the log file for further analysis

🎬 Video Tutorials

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How to fix Error 4050 (Peerdist Contentinfo Version Unsupported)
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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 "*4050*" -or $_.Message -like "*PEERDIST_ERROR_CONTENTINFO_VERSION_UNSUPPORTED*"} | Format-List

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

🛡️ Prevention Tips

  • Use reliable DNS (8.8.8.8 or 1.1.1.1)
  • Flush DNS cache periodically
  • Monitor DNS resolution performance
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Last updated: 2026-03-23
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Based on Official Microsoft Documentation
Solutions Tested on Windows 10 & 11
Error codes sourced from Microsoft Win32 SDK. Updated 2026-03-23.
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