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Fix Windows Defender High Memory Usage - Fix PowerShell 'File Locked' or 'Permission Denied' Errors-Resolve Activation Service Unavailable After Windows Update

2026-06-13 17:00:01
Fix Windows Defender High Memory Usage - Fix PowerShell 'File Locked' or 'Permission Denied' Errors-Resolve Activation Service Unavailable After Windows Update

Result check

  • Keep one change per test run so you know which step helped.
  • Undo temporary changes after the issue is confirmed.