zhizhu
Home / browser-issues / How to Clear Windows Update Cache in Windows 10 - How to Repair Windows Defender When It Won't Scan and Uses High CPU-Fix 'Product Key Blocked' in Windows 11

How to Clear Windows Update Cache in Windows 10 - How to Repair Windows Defender When It Won't Scan and Uses High CPU-Fix 'Product Key Blocked' in Windows 11

2026-06-13 14:30:54
How to Clear Windows Update Cache in Windows 10 - How to Repair Windows Defender When It Won't Scan and Uses High CPU-Fix 'Product Key Blocked' in Windows 11

Result check

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