Practical software fixes, setup guides, and tool workflows.

Fix Nginx Upstream Connection Refused in Docker

You have Nginx running, either on the host or in a container, proxying to another Docker containe...

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...

Git index.lock File Exists Even After Deleting: Fixes

You delete the .git/index.lock file, but Git still says it exists. This can happen d...

How to Fix Python UnicodeDecodeError: 'utf-8' Codec Can't Decode Byte

You're running a Python script and suddenly see:

UnicodeDecodeError: 'utf-8' ...

                            

Fix VSCode Source Control Not Detecting Changes

You're working in Visual Studio Code, you edit a file, but the Source Control view shows no c...

Nginx Upstream Connection Refused: Diagnosis and Fixes

When Nginx returns a 502 Bad Gateway or logs "upstream connection refused", it means Ngin...