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

Fix Windows Security 502 Bad Gateway Sync Error

You open Windows Security and see a 502 Bad Gateway error when it tries to sync. This usually mea...

Fix 'File Locked' or 'Permission Denied' During Windows Update

You try to install a Windows update, but it fails with a message like "File locked" or <...

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...

OBS Virtual Camera Not Working on Windows 10 – Fixes

You set up OBS Studio, enabled the virtual camera, but Zoom or Discord shows nothing. The virtual...

How to Reset DNS Cache for Microsoft Store Issues

If the Microsoft Store won't load, shows error 0x80131500, or downloads stall, a corrupted DNS ca...

How to Fix Windows Update Error 0x8024402c During Setup

You're trying to install a Windows feature update or run Windows Update during setup, and you see...