Checklists for software errors, setup, and tool workflows.

Docker Container Exits Immediately: Fix with Restart Policy

You start a Docker container, it runs for a second, then stops. No error messages, just a quick e...

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...

How to Fix Edge Sync Stuck on Preparing Sync

You open Microsoft Edge, click your profile, and see 'Preparing sync' — but it never fini...

Fix Git 'index.lock' File Exists Error on Linux

When working with Git on Linux, you might see an error like:

fatal: Unable to creat...