Fix Windows Security Access Denied via Group Policy - Fix BitLocker File Locked & Permission Denied on Windows 10-Ubuntu dpkg Lock Removal Guide

Updated 2026-06-13 21:43:41windows-fixes
Fix Windows Security Access Denied via Group Policy - Fix BitLocker File Locked & Permission Denied on Windows 10-Ubuntu dpkg Lock Removal Guide
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.