Fix Windows Update Authentication Failed via Credential Manager - Clear TPM Cache to Stop BitLocker Asking for Recovery Key-Diagnose Scheduled Task Crashes with Logs

Updated 2026-06-13 19:35:22backup-recovery
Fix Windows Update Authentication Failed via Credential Manager - Clear TPM Cache to Stop BitLocker Asking for Recovery Key-Diagnose Scheduled Task Crashes with Logs
Before changing system settings, save your work and note the exact error text so you can compare results after each step.

Extra verification checklist

  • Restart the affected app after changing permissions or configuration files.
  • Test the same workflow in a clean browser profile or a temporary user account.
  • Compare the result on another network if the error may be connection related.