Fix PowerShell Access Denied Even When Running as Admin - How to Speed Up Slow Windows Defender Scans-Windows Update: Check and Install Pending Updates

Updated 2026-06-13 19:36:45backup-recovery
Fix PowerShell Access Denied Even When Running as Admin - How to Speed Up Slow Windows Defender Scans-Windows Update: Check and Install Pending Updates
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.