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 KMS Activation Error: Port 1688 Already in Use

Fix Microsoft Teams Stuck on Loading Black Screen

When Microsoft Teams gets stuck on a black screen during startup, the app window may show nothing...

Remote Desktop Log File Location: Troubleshooting Checklist

When remote desktop connections fail or behave unexpectedly, log files are often the first place ...

Fix Microsoft Teams 502 Bad Gateway from Proxy Settings

If you see a 502 Bad Gateway error in Microsoft Teams, it often points to a proxy or network conf...

Fix PowerShell Offline Installer Not Working

You downloaded the full offline package for PowerShell, but the installer fails, hangs, or gives ...