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

Windows 11 Update Stuck at 0%: Registry Fix Guide

You click 'Check for updates' and see the progress bar stuck at 0% for minutes or hours. ...

Fix VS Code Breakpoint Not Hit in Docker Container

You set a breakpoint in VS Code, run your app inside a Docker container, and the breakpoint is ne...

Cloudflare Wildcard Subdomain CNAME Setup Guide

If you need to route all subdomains (e.g., *.example.com) to the same target, a wildcard CNAME re...

Recover Lost Commits After Git Detached HEAD

You've made commits while in a detached HEAD state, and now you can't see them on any bra...

Fix Windows Update Error 0x800f081f with Clean Boot

If you see error 0x800f081f while installing a Windows update, it usually means the update files ...

Fix 'package.json Not Found' After Cloning a Repository

Symptom

You clone a repository from GitHub (or another remote), change into the directory...