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Fix Windows Update Connection Timeout Due to Firewall - Troubleshoot Windows Update Permission Issues-Fix Windows Defender High CPU Usage in Windows 10

2026-06-13 14:18:37
Fix Windows Update Connection Timeout Due to Firewall - Troubleshoot Windows Update Permission Issues-Fix Windows Defender High CPU Usage in Windows 10

Result check

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

Next references

Fix Windows Update Connection Refused Due to Proxy SettingsFix Windows Defender Causing Slow Boot UpHow to Run PowerShell Script as AdministratorHow to Fix Microsoft Store 'Port Already Allocated' ErrorHow to Fix Windows Security Dependency ConflictHow to Fix Windows Update Service Unavailable Error