Checklists for software errors, setup, and tool workflows.

Fix 'git pull failed index.lock file exists' Error

When running git pull, you may see an error like:

fatal: Unable to create &#...

Fix Missing Taskbar Icons in Windows Notification Area

You look down at the notification area (system tray) and an icon you rely on—like volume, network...

Fix Git SSL Certificate Problem: Unable to Get Local Issuer Certificate

You’re trying to clone or push to a remote repository over HTTPS and Git throws an error like

VSCode Breakpoint Not Hit Due to Source Maps: Fix

You set a breakpoint in your TypeScript or React source file, start debugging, and the breakpoint...

Fix Python Venv Not Activating in PowerShell

You open PowerShell, navigate to your project, and run venv\Scripts\activate but not...

How to Fix Git Clone Timeout with SSH Key

You run git clone [email protected]:user/repo.git and wait. After a while, you get a ti...