Home / developer-tools / Fix Microsoft Store Blank Screen When Other Apps Work - Fix 'Flush DNS Permission Denied' Error in CMD-Certbot Nginx Plugin Installation on Ubuntu 22.04

Fix Microsoft Store Blank Screen When Other Apps Work - Fix 'Flush DNS Permission Denied' Error in CMD-Certbot Nginx Plugin Installation on Ubuntu 22.04

Updated 2026-06-13 18:57:32developer-tools

Fix Microsoft Store Blank Screen When Other Apps Work - Fix 'Flush DNS Permission Denied' Error in CMD-Certbot Nginx Plugin Installation on Ubuntu 22.04

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

Fix 'Port Already in Use' Error with Windows Defender Firewall How to Fix DNS Probe Finished NXDOMAIN Error in Chrome Fixing Windows Terminal 404 Errors: A Practical Guide How to Install Windows Security Offline Without Internet Task Scheduler Best Settings for Performance Optimization How to Setup SSL Certificate for Windows Update