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

Fix FFmpeg Audio Out of Sync in VLC Playback

You encoded a video with FFmpeg, but when you play it in VLC, the audio drifts out of sync. This ...

BitLocker High CPU Usage: Fixes When It's Not Working

If BitLocker is using 30% or more of your CPU and seems stuck or not working, you're likely deali...

Fix Windows 10 Update Error 0x80073712: Missing or Corrupt Files

When Windows Update fails with code 0x80073712, it usually means some update-related files are mi...

How to Fix Rate Limit Errors in Windows Security App

You open Windows Security to run a scan or check protection status, and get a rate limit error. T...

Windows Security for Ubuntu Installation Checklist

Before You Install Ubuntu

If you're dual-booting Windows and Ubuntu, or replacing Windows...

Fix Windows Defender 504 Gateway Timeout & Permission Denied Errors

You open Windows Defender Security Center and see "504 Gateway Timeout" or "Permission Denied" er...