Fix PowerShell Service Unavailable Error (Enable or Restart) - Fix High Memory Usage After Windows Update-Windows Activation Error 0xc004f074: Troubleshooting Checklist

Updated 2026-06-14 09:21:30security-tools
Fix PowerShell Service Unavailable Error (Enable or Restart) - Fix High Memory Usage After Windows Update-Windows Activation Error 0xc004f074: Troubleshooting Checklist
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.