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

Fix GitHub Actions Cache Action Permission Denied Error

Fix OBS Virtual Camera Audio Sync Issues

If you're using OBS Virtual Camera for Zoom, Teams, or other apps and notice the audio is out of ...

BitLocker High CPU Usage: How to Diagnose and Fix

If your system is running slowly and Task Manager shows BitLocker-related processes consuming hig...

Windows Security Version Mismatch: Troubleshooting Checklist

If you see an error message saying Windows Security has a version mismatch, or the Security Cente...

Using Google DNS to Fix Windows Activation Error

If you're seeing a Windows activation error that says something like "We can't activate Windows o...

MongoDB Compass Not Connecting to Mongod Server: Fixes

You open MongoDB Compass, enter your connection string, and get an error. The server is running, ...