🎮 Common Scenario: Are you experiencing Error 4339 while launching or installing Fortnite? The solutions below directly address the system interactions specific to this application.
Flush DNS and Switch Servers: Open Command Prompt as Administrator
👇 See all 1 solutions belowThe Ultimate Auto-Fix Script
Download our advanced, custom-built Smart Diagnostic Script (.bat). It safely creates a System Restore Point, applies targeted fixes based on advanced diagnostics for Error 4339, and generates a detailed HTML repair report.
What is Error 4339?
Windows System Error Code 4339, known as ERROR_NO_SUPPORTING_DRIVES, is a DNS & WINS error that occurs during DNS resolution and WINS name resolution. The error indicates that: This offline media cannot be mounted on this system since no enabled drives are present which can be used. 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 4339 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_NO_SUPPORTING_DRIVES 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
- DNS server misconfigured
- Stale DNS cache entries
- Hostname cannot be resolved
- DNS server unreachable
Resolving Component Store (WinSxS) Bloat and Corruption
An encyclopedia on the Windows Component Store: safely reclaiming disk space, understanding hard links, and fixing deep WinSxS corruption.
Read the full guide →Step-by-Step Solutions
- Open Command Prompt as Administrator
- Run: ipconfig /flushdns
- Change DNS to Google (8.8.8.8) or Cloudflare (1.1.1.1)
- Run: ipconfig /registerdns
Video Tutorials
Diagnostic Command
Run this PowerShell command to find related events in your system log:
Get-EventLog -LogName System -Newest 20 | Where-Object {$_.Message -like "*4339*" -or $_.Message -like "*ERROR_NO_SUPPORTING_DRIVES*"} | 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