Checklists for software errors, setup, and tool workflows.

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Fix Chrome Certificate Error: Invalid Authority & Date/Time Issue

You're browsing in Chrome and see a full-page warning: Your connection is not private...

Fix VS Code Permission Denied When Saving Workspace
When you try to save a workspace file in Visual Studio Code and get a 'Permission denied'...

How to Fix a Detached HEAD in Git Using SourceTree
If you open SourceTree and see a message like “You are in ‘detached HEAD’ state,” it means your w...

Fix 'Windows Cannot Access Shared Folder' in Workgroup
When you see 'Windows cannot access \\ComputerName\ShareName' in a workgroup, it usually ...

How to Fix Git index.lock File Exists Error on Mac
If you're working with Git on a Mac and see the error fatal: Unable to create '/pat...

Fix Externally Managed Error: Create Virtual Environment If you're on a modern Linux distribution and try to install a Python package with pip, you ma...

Checklists for software errors, setup, and tool workflows.

Latest checklists

Fix Chrome Certificate Error: Invalid Authority & Date/Time Issue

Fix VS Code Permission Denied When Saving Workspace

How to Fix a Detached HEAD in Git Using SourceTree

Fix 'Windows Cannot Access Shared Folder' in Workgroup

How to Fix Git index.lock File Exists Error on Mac

Fix Externally Managed Error: Create Virtual Environment

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