Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

You run git push and get an error like ! [rejected] main -> main (non-fast-...

Fix npm run build: Module Not Found Error
When you run npm run build and see a Module not found error, the bu...

Fix 'Permission Denied' for Yarn in VS Code Terminal
When you try to run yarn in the VS Code integrated terminal and see a Permissi...

Fix VSCode Terminal Not Opening with Python
You try to run a Python script in VSCode, click the terminal tab, and nothing happens—or the term...

Fix Git SSL Certificate Problem: Unable to Get Local Issuer
You run git clone https://example.com/repo.git and get:
fatal: unable to acc...

Fix Windows Explorer Restarting After Crash
If Windows Explorer (explorer.exe) crashes and then keeps restarting, you may see the desktop fla...