Checklists for software errors, setup, and tool workflows.

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Fix Git 'index.lock' Error in VS Code

If you see the error 'fatal: Unable to create 'path/.git/index.lock': File exists'...

Fix Git index.lock File Exists Permission Denied Error

You're in the middle of a Git operation and suddenly you see:

fatal: Unable to ...

Fix Missing Taskbar Icons on a Second Monitor
If you've connected a second monitor and the taskbar icons aren't showing up on it, you&#...

Fix Windows Security App Blocked by Antivirus
You open Windows Security (formerly Windows Defender) only to see an error or blank screen becaus...

Fix 'port already allocated' for Nginx in Docker Compose
You're starting your Docker Compose setup with Nginx, and you see "port is already alloca...

Fix Git 'fatal: refusing to merge unrelated histories' on GitHub
You try to merge two branches in Git, and get fatal: refusing to merge unrelated histories<...

Checklists for software errors, setup, and tool workflows.

Latest checklists

Fix Git 'index.lock' Error in VS Code

Fix Git index.lock File Exists Permission Denied Error

Fix Missing Taskbar Icons on a Second Monitor

Fix Windows Security App Blocked by Antivirus

Fix 'port already allocated' for Nginx in Docker Compose

Fix Git 'fatal: refusing to merge unrelated histories' on GitHub

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