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

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...

How to Fix Task Scheduler Token Expired Without Password

When a scheduled task runs with the setting 'Run whether user is logged on or not', it stores a p...

GitLab Runner Configuration for Pending Jobs: A Troubleshooting Guide

You push a commit, the pipeline triggers, but jobs stay pending indefinitely. Th...

How to Fix '404 Not Found' File Path Errors in CMD

Fix OpenVPN Permission Denied on Tun Device

When running OpenVPN, you might see an error like ERROR: Cannot open TUN/TAP dev /dev/net/t...