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

How to Fix Git Detached HEAD State and Undo Changes

You run git status and see something like "HEAD detached at abc123". This ha...

Fix 'package.json Not Found' After Cloning a Repository

Symptom

You clone a repository from GitHub (or another remote), change into the directory...

Fix VS Code 'Permission Denied' When Saving Files

You're editing a file in Visual Studio Code, hit Ctrl+S, and get an error: "Failed to sav...

Fix Windows 11 Blue Screen After Update with System Restore

If you're seeing a blue screen after installing a Windows 11 update, System Restore can often...

How to Speed Up Cloudflare DNS Propagation

When you change DNS records in Cloudflare, propagation can sometimes feel slow. While you can'...

Enable Docker Desktop to Start Automatically on Windows 11

If you use Docker Desktop daily, having it start automatically when you boot Windows 11 saves tim...