Checklists for software errors, setup, and tool workflows.

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Latest checklists

You open the integrated terminal in VS Code, but instead of a prompt, you get a blank or black sc...

You open the integrated terminal in Visual Studio Code using Ctrl+` (or Cmd+`<...

Fix 'git remote add origin already exists' Error
When you run git remote add origin <url> and see fatal: remote origin al...

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

Fix Git 'index.lock' File Exists Error in IntelliJ
If you see an error like fatal: Unable to create 'project/.git/index.lock': File ex...

How to Fix Firefox Secure Connection Failed Error Code
You're browsing and suddenly Firefox shows a full-page error: Secure Connection Faile...