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Fix Windows Security Service Unavailable After Update - Windows 11 Defender High Memory Fix-Troubleshoot 'Cannot Open File as Archive' in 7-Zip

2026-06-13 16:26:13
Fix Windows Security Service Unavailable After Update - Windows 11 Defender High Memory Fix-Troubleshoot 'Cannot Open File as Archive' in 7-Zip

Result check

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