Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

View list

Fix 'Permission Denied' in VS Code Terminal for Node.js

You're working in VS Code, run npm install or node app.js, and get ...

Fix Windows 11 WiFi Connected but No Internet: IPv4 Settings

You see the WiFi icon connected, but websites won't load. The network shows “No internet” or ...

VSCode IntelliSense Not Working for Dart/Flutter: Fixes

You're writing Dart or Flutter code in VSCode, but IntelliSense (autocomplete, suggestions, g...

Fix Git Clone Connection Timed Out Due to Firewall

You run git clone and after a long pause see connection timed out. This...

Fix 'python command not found' After Windows Upgrade

After upgrading Windows 10 to 11 (or a major feature update), many users find that typing p...

VS Code IntelliSense Not Working for C++: Practical Fixes
If you're editing C++ code in Visual Studio Code and IntelliSense stops working—no auto-compl...