🎮 Common Scenario: Are you experiencing Error 13806 while launching or installing Call of Duty: Warzone? The solutions below directly address the system interactions specific to this application.
Update Root Certificates: Open Command Prompt as Administrator
👇 See all 3 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 13806, and generates a detailed HTML repair report.
What is Error 13806?
Windows System Error Code 13806, known as ERROR_IPSEC_IKE_NO_CERT, is a Internet & WinHTTP error that occurs during WinHTTP, WinInet, and internet protocols. The error indicates that: IKE failed to find valid machine certificate. When this error is encountered, the Windows operating system was unable to complete the requested operation within the internet services subsystem. The error code 13806 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_IPSEC_IKE_NO_CERT 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 WinHTTP, WinInet, and internet protocols is essential for effective troubleshooting.
Common Causes
- System date/time is incorrect, causing certificate validation to fail
- Root certification authorities are outdated or missing
- TLS protocol mismatch between client and server
- Antivirus or proxy is intercepting SSL traffic with an untrusted certificate
Resolving Cryptographic Provider and Certificate Chain Errors (CRYPT_E_BAD_MSG)
An encyclopedia on resolving failing SSL/TLS handshake errors, root certificate trust issues, and Windows Cryptographic Services failures.
Read the full guide →Step-by-Step Solutions
- Open Command Prompt as Administrator
- Run: certutil -generateSSTFromWU roots.sst
- This downloads the latest root certificates from Microsoft
- Open certmgr.msc → Trusted Root Certification Authorities → import roots.sst
- Restart your browser and applications
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 "*13806*" -or $_.Message -like "*ERROR_IPSEC_IKE_NO_CERT*"} | Format-List
💡 Open PowerShell as Administrator, paste the command above, and press Enter.
Prevention Tips
- Keep your system clock synchronized (Settings → Time & Language → Sync now)
- Install Windows Updates regularly to keep root certificates current
- Disable SSL inspection in antivirus software if it causes certificate errors