Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

Windows 10 Taskbar Icons Not Showing? Here's How to Fix It

Windows 10 Taskbar Icons Not Showing? Here's How to Fix It

You log into Windows 10, and the taskbar is nearly empty—no icons for open apps, pinned programs,...

Python Virtual Environment Not Activating in Git Bash: Fixes

Python Virtual Environment Not Activating in Git Bash: Fixes

You're in Git Bash on Windows, you run source venv/Scripts/activate, and nothing...

Fix DNS Probe Finished NXDOMAIN Caused by Antivirus Blocking

Fix DNS Probe Finished NXDOMAIN Caused by Antivirus Blocking

You try to load a website and see DNS_PROBE_FINISHED_NXDOMAIN in Chrome, or simi...

Fix 'npm install' Permission Denied When Using Yarn

Fix 'npm install' Permission Denied When Using Yarn

You run yarn install in a project and later try npm install only to hit...

Fix VS Code Source Control Not Detecting Changes After Branch Switch

Fix VS Code Source Control Not Detecting Changes After Branch Switch

After switching branches in Git, VS Code's Source Control view sometimes stops showing change...

Fix npm run build Failed on Windows: Common Causes and Solutions

Fix npm run build Failed on Windows: Common Causes and Solutions

When you run npm run build on Windows and it fails, the error message can be cryptic...