Fix Windows Security Error 0x80073b01: App Install Blocked - How to Remove BitLocker Boot Password-Fix Let's Encrypt Certbot Renewal Failures

Updated 2026-06-15 18:47:36cloud-software
Fix Windows Security Error 0x80073b01: App Install Blocked - How to Remove BitLocker Boot Password-Fix Let's Encrypt Certbot Renewal Failures
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.