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

Fix Windows Update Error 0x80070005 (Service Not Starting)

When Windows Update fails with error 0x80070005, the underlying message often points to a service...

Fix Docker Nginx 502 Bad Gateway with MySQL

You have a Dockerized web app behind Nginx, and you're seeing a 502 Bad Gateway error. The ap...

Node.js --max-old-space-size Setup Guide for Memory Issues

If your Node.js process crashes with a JavaScript heap out of memory error, you likely need to ad...

How to Push a Git Detached HEAD to Remote

You're working on a Git repository and realize you're in a 'detached HEAD' state....

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