Checklists for software errors, setup, and tool workflows.

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Fix Git 'index.lock' File Exists Error in SourceTree

If you use SourceTree and see an error message like fatal: Unable to create 'path/to/.g...

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...

Fixing pip Externally-Managed Environment Errors
If you see the error error: externally-managed-environment when running pip in...

Fix Chrome High Memory Usage on Windows 10
If Chrome is slowing down your Windows 10 PC, high memory usage is often the culprit. You might n...

Fix Docker Compose 'port 8080 already allocated' Error
When running docker-compose up, you may see an error like Error: Port 8080 is ...

Docker Desktop Engine Stopped: Fix Firewall Block
If Docker Desktop shows “Engine Stopped” and you suspect a firewall block, here’s how to diagnose...

Checklists for software errors, setup, and tool workflows.

Latest checklists

Fix Git 'index.lock' File Exists Error in SourceTree

Fix Missing Taskbar Icons in Windows Notification Area

Fixing pip Externally-Managed Environment Errors

Fix Chrome High Memory Usage on Windows 10

Fix Docker Compose 'port 8080 already allocated' Error

Docker Desktop Engine Stopped: Fix Firewall Block

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