Knowledge base for software setup, errors, and daily tool work.

Fix Windows Security App Not Starting on Windows 11

You click the Windows Security icon or try to open it from Settings, but nothing happens. The app...

Fix DNS Probe Finished NXDOMAIN Caused by Antivirus Blocking

You try to load a website and see DNS_PROBE_FINISHED_NXDOMAIN in Chrome, or simi...

Docker Compose Environment Variable Not Updating? Fix It

How to Fix npm Install Permission Denied on Mac

If you see EACCES: permission denied when running npm install, it's...

Fix Windows 11 Installation Assistant Frozen During Update

You launch Windows 11 Installation Assistant to upgrade from Windows 10, but the progress bar sto...

Fix Windows 11 No Internet but Wi-Fi Connected DNS Issue

You see the Wi-Fi icon connected with full bars, but apps, browsers, and system updates all repor...