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 ...

Fix Chrome Tunnel Connection Failed Error

When you see "Tunnel connection failed" in Chrome, it usually means the browser couldn't establis...

WinRAR Checksum Error Recovery Checklist

If you see a "Checksum error" in WinRAR, it usually means the archive is damaged or incomplete. T...

Fix Windows Defender Antivirus Permission Denied Error

You try to start Windows Defender Antivirus and get a “permission denied” error. This typically h...

Fixing Chrome Dependency Conflicts After Installing an Extension

After installing a new Chrome extension, you might encounter errors like 'dependency conflict' or...

Fix 'Module Not Found' in Python Virtual Environments