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Home / developer-tools / Fix Windows Update ‘Authentication Failed’ or ‘Password Incorrect’ Error - Fix Windows Update Error 0x80070005 Caused by Antivirus-BitLocker 0x8031004a Troubleshooting Guide

Fix Windows Update ‘Authentication Failed’ or ‘Password Incorrect’ Error - Fix Windows Update Error 0x80070005 Caused by Antivirus-BitLocker 0x8031004a Troubleshooting Guide

Updated 2026-06-14 07:15:50developer-tools
Fix Windows Update ‘Authentication Failed’ or ‘Password Incorrect’ Error - Fix Windows Update Error 0x80070005 Caused by Antivirus-BitLocker 0x8031004a Troubleshooting Guide
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.