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Fix Windows Defender High Memory Usage in Windows 11 - Fixing 504 Gateway Timeout from Windows Update with Proxy-How to Resolve Command Prompt 404 Error

2026-06-13 18:10:00
Fix Windows Defender High Memory Usage in Windows 11 - Fixing 504 Gateway Timeout from Windows Update with Proxy-How to Resolve Command Prompt 404 Error

Result check

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