zhizhu
Home / browser-issues / Fix PowerShell 504 Gateway Timeout When Calling REST API - Windows Defender Error 0x80070643: Troubleshooting Guide-Fix Windows Activation Error 0x8007007b on Ubuntu

Fix PowerShell 504 Gateway Timeout When Calling REST API - Windows Defender Error 0x80070643: Troubleshooting Guide-Fix Windows Activation Error 0x8007007b on Ubuntu

Updated 2026-06-14 12:08:53browser-issues
Fix PowerShell 504 Gateway Timeout When Calling REST API - Windows Defender Error 0x80070643: Troubleshooting Guide-Fix Windows Activation Error 0x8007007b on Ubuntu
Likely symptom
Likely cause
Safe rollback

Verification route

  • Repeat the original action, not only a simplified test case.
  • Restart the app or reload the service after configuration changes.