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

Command Prompt 504 Gateway Timeout Troubleshooting Checklist

If you're getting a 504 Gateway Timeout error while browsing or using a web service, it usually m...

Fix Jupyter Notebook Token Not Working on Windows

When you start Jupyter Notebook (or JupyterLab) on Windows, it often opens a browser tab asking f...

Fix Cloudflare DNS Not Working on Router Setup

If you've set Cloudflare DNS (1.1.1.1, 1.0.0.1) on your router but devices still can't resolve do...

How to Rebuild Windows Search Index (Step-by-Step)

If your Windows search is returning no results, taking too long, or showing outdated files, the s...

Fixing pnpm Frozen Lockfile Errors: Practical Steps

When you run pnpm install --frozen-lockfile and get an error about the lockfile bein...

BitLocker DNS Error 0x80072f8f: Causes and Fixes