Home / office-tools / How to Fix 'Port Already Allocated' for Windows Update Service - Reset Windows Defender Cache Using CMD or PowerShell-How to Resolve DNS Probe Finished NXDOMAIN on Chrome

How to Fix 'Port Already Allocated' for Windows Update Service - Reset Windows Defender Cache Using CMD or PowerShell-How to Resolve DNS Probe Finished NXDOMAIN on Chrome

Updated 2026-06-13 13:48:24office-tools

How to Fix 'Port Already Allocated' for Windows Update Service - Reset Windows Defender Cache Using CMD or PowerShell-How to Resolve DNS Probe Finished NXDOMAIN on Chrome

Prepare

Execute

Validate

Document

Operational follow-up

Record the exact option, command, or setting that changed the result.
Keep a rollback note if the workflow affects shared files or team settings.

More workflow manuals

Setup Windows Security to Fix 502 Bad Gateway Error How to Fix Windows Security Update Failed Error Code How to Fix FileZilla Connection Timed Out Error How to Resolve Git Pull Merge Conflicts Composer Memory Limit 1024M Still Failing: Fixes That Work Fix Nginx Config Test Failure After Adding SSL Certificate