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

Fix Chrome ERR_TUNNEL_CONNECTION_FAILED on Windows 10

If you see ERR_TUNNEL_CONNECTION_FAILED in Chrome while browsing on Windows 10, ...

Fix Windows Update Configuration Permission Denied Error

When you see "Windows Update Configuration Permission Denied", it usually means ...

Fix Windows Defender Threat Service Stopped Startup Type Error

If you open Windows Security and see a message that the threat service has stopped and the startu...

Edge Browser Update Stuck at 0%? Here's How to Fix It

You open Microsoft Edge, it tells you there's an update, but the progress bar sits at 0% and does...

Fix FFmpeg Audio Sync Issues After Conversion

You encoded a video with FFmpeg, but the audio drifts out of sync—often noticeable as the video p...

Command Prompt Dependency Conflict Troubleshooting Checklist