🎮 Common Scenario: Are you experiencing Error 15801 while launching or installing Photoshop? The solutions below directly address the system interactions specific to this application.
Reset Internet Settings: 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 15801, and generates a detailed HTML repair report.
What is Error 15801?
Windows System Error Code 15801, known as ERROR_STATE_GET_VERSION_FAILED, is a Internet & WinHTTP error that occurs during WinHTTP, WinInet, and internet protocols. The error indicates that: Retrieving the state version for the application failed. When this error is encountered, the Windows operating system was unable to complete the requested operation within the internet services subsystem. The error code 15801 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_STATE_GET_VERSION_FAILED 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
- Proxy misconfigured
- SSL/TLS handshake failure
- Client certificate expired
- WinHTTP response timeout
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Read the full guide →Step-by-Step Solutions
- Open Command Prompt as Administrator
- Run: netsh winhttp reset proxy
- Open Internet Options → Advanced → Reset
- 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 "*15801*" -or $_.Message -like "*ERROR_STATE_GET_VERSION_FAILED*"} | Format-List
💡 Open PowerShell as Administrator, paste the command above, and press Enter.
Prevention Tips
- Use centralized proxy management
- Keep root certificates updated
- Disable legacy SSL 3.0 protocol