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

Fix DNS Probe Finished NXDOMAIN Error in Windows 10

When you see "DNS_PROBE_FINISHED_NXDOMAIN" in Chrome or other browsers, it means the DNS ...

Fix Git Authentication Failed in VS Code on Linux

You're working in VS Code on Linux, try to push or pull, and get a popup: "Git authentica...

Fix pnpm ERR! Cannot Find Module – Practical Steps

Fixing Nginx 502 Bad Gateway in Docker: Practical Steps

You set up Nginx as a reverse proxy in Docker, but instead of your app you see a 502 Bad Gateway....

Windows 11 Update Stuck at 0%: Permission Denied Fix

If your Windows 11 update is stuck at 0% with a "permission denied" message, the installe...

How to Fix Cloudflare Origin Certificate Validation Failed

If you see a "validation failed" error when setting up or using a Cloudflare Origin Certi...