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

How to Fix Chrome Browser Proxy Error (ERR_PROXY_CONNECTION_FAILED)

If Chrome shows "ERR_PROXY_CONNECTION_FAILED" or similar proxy error, it usually means the browse...

Pip Install Permission Denied: Practical Fixes

When you run pip install somepackage and get a Permission denied er...

Fix 'Port Already Allocated' Error in Windows Terminal WSL

If you see port already allocated when starting a service in WSL via Windows Termina...

FFmpeg Audio Out of Sync: Practical Troubleshooting Guide

You encoded a video with FFmpeg, but the audio drifts or starts early/late. This guide covers the...

Docker Compose Build No Cache Checklist: Step-by-Step

When You Need a Clean Build

If you notice your Docker Compose services are not picking u...

Fix Windows Terminal Version Mismatch Errors

You launch Windows Terminal and see an error about a version mismatch—perhaps between the termina...