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

Windows 11 Update Stuck at 0%: Manual Download Fix

You click 'Check for updates' in Windows 11, and it hangs at 0% for minutes or hours. Res...

Fix Nginx HTTP to HTTPS Redirect Loop Error

You set up an HTTP-to-HTTPS redirect in nginx, but now your browser shows a redirect loop error. ...

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

Symptom

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

Docker Network Not Found: Troubleshooting Checklist

When Docker complains network not found, containers can't start or connect. This...

Fix Cloudflare Origin Certificate Permission Denied Error

You've set up a Cloudflare origin certificate on your server, but now you're seeing a ...

Fix Docker Compose Port Already Allocated for PostgreSQL

You run docker-compose up and see an error like "Error starting userland pro...