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

How to Fix Missing Taskbar Icons in the System Tray

When you notice icons missing from the system tray (the area near the clock on the taskbar), it&#...

How to Fix Nginx Configuration Test Failed Error

When you run nginx -t and see "test failed", it means nginx found a problem ...

Fix Windows Update Service Not Running in Event Viewer

You open Event Viewer to check for errors after a failed Windows Update, and you see an event sta...

VS Code Git Not Detecting Changes in Workspace: Fixes

You open VS Code, make edits, and expect to see them in the Source Control panel. But nothing sho...

How to Fix Cloudflare Origin Certificate Validation Failed

If you see a "validation failed" error when setting up or using a Cloudflare Origin Certi...

How to Fix Git Push Rejected: Non-Fast-Forward Merge