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

Fix OBS Black Screen and Permission Denied on Windows 11

You launch OBS Studio on Windows 11, add a display capture or game capture source, and see only a...

Fix Windows Update Error: Port Already Allocated

You try to run Windows Update, but it fails with an error about a port already being allocated. T...

Fix 'Service Not Found' Error for Task Scheduler on Ubuntu

How to Schedule Tasks in Ubuntu Using Systemd Timers

You've probably used cron for scheduling tasks, but systemd timers offer more flexibility and bet...

Fix Windows Defender 502 Bad Gateway Error: Configuration Guide

If you're seeing a '502 Bad Gateway' error when opening Windows Defender, it usually means a netw...

Fix OneDrive Sync Rate Limit Error: Step-by-Step Guide

If you see an error like “Sync is paused due to high activity” or “Rate limit exceeded” in OneDri...