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

Microsoft Teams Camera Black Screen: Practical Fixes

You join a Teams meeting and your camera shows a black screen. Your video doesn't appear for othe...

Chrome 502 Bad Gateway Error: Causes and Fixes

You're browsing in Chrome and suddenly see 502 Bad Gateway. This error means tha...

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...

Fix Windows Security Authentication Error 0x80070035

How to Fix Windows Terminal Not Responding

Windows Terminal can stop responding for a few reasons. You might see a frozen window, a blank sc...

Fix Chrome Token Expired After Browser Update

After a Chrome update, you might see messages like "token expired" or get logged out of websites....