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

Fix Windows Security App Missing from Start Menu

You open the Start menu, type “Windows Security,” but nothing appears. The app may have been unre...

DNS Probe Finished NXDOMAIN: Troubleshooting Checklist

Seeing "DNS_PROBE_FINISHED_NXDOMAIN" in Chrome means the browser couldn't find the IP...

Fix Nginx Upstream Connection Refused Error

When Nginx returns upstream connection refused in your error logs, it means Nginx tr...

Handling Missing Peer Dependencies in pnpm Install

When you run pnpm install and see warnings about missing peer dependencies, your pro...

Fix ERR_NAME_NOT_RESOLVED in Chrome with Google DNS

When you see ERR_NAME_NOT_RESOLVED in Chrome, it usually means your computer can...

Fix 'docker network not found' After Prune