Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

View list

Fix Command Prompt Proxy Error Sync Issues

When you see a proxy error while running commands in Command Prompt and your sync operations fail...

Fix Chrome 502 Bad Gateway After Profile Reset

If you see a 502 Bad Gateway error in Chrome after resetting your browser profil...

Fix PowerShell Profile Causing Blank Screen at Startup

You open PowerShell, see a blank screen with no prompt, and the window appears frozen. This usual...

Fix Windows Update Offline Installer Network Error

When you run the Windows Update offline installer (the .msu file) and get a network error, it usu...

Fix 'Port Already Allocated' Error on Windows 10 for Chrome

When launching Chrome or a web app that uses Chrome, you might see an error like "Port alread...

Jupyter Notebook Token Not Working After Update: Fixes
After updating Jupyter Notebook or JupyterLab, you may find that the token-based authentication n...