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

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 Black Screen: How to Fix

If you see a black screen when using OBS Studio’s virtual camera in Zoom, Teams, or other apps, t...

Fix 'Permission Denied' When Running Windows Update Offline Installer

When you try to run a Windows Update offline installer (typically an .msu file) and get a 'permis...

BitLocker High CPU Usage Caused by TPM: How to Fix

If your system is running slow and Task Manager shows high CPU usage from the System process or B...

Windows Update Cleanup Tool Not Removing Files: Fixes

You run Disk Cleanup, check "Windows Update Cleanup", and it seems to work—but the disk space doe...

WSL Ubuntu Network Configuration Checklist

If you're running Ubuntu under WSL and network connections are failing—slow DNS lookups, no inter...