Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

Windows Defender Real-Time Protection Keeps Turning Off: Fixes

Windows Defender Real-Time Protection Keeps Turning Off: Fixes

You notice the Windows Security icon in the system tray shows a yellow warning. Opening it reveal...

Python Requests: Fixing Connection Timeout with Proxies

Python Requests: Fixing Connection Timeout with Proxies

You're using the Python requests library with a proxy, and you're seeing a <...

Docker Build Context Canceled: Checklist and Fixes

Docker Build Context Canceled: Checklist and Fixes

You run docker build and see context canceled before the build finishes...

Fix Windows Update Service Not Running with DISM Restore Health

Fix Windows Update Service Not Running with DISM Restore Health

You try to run DISM /Online /Cleanup-Image /RestoreHealth and get an error saying th...

Fix Git SSL Certificate Problem: Unable to Get Local Issuer

Fix Git SSL Certificate Problem: Unable to Get Local Issuer

When Git reports SSL certificate problem: unable to get local issuer certificate, it...

Fix 'pip externally managed environment' Permission Denied Error

Fix 'pip externally managed environment' Permission Denied Error

If you see error: externally-managed-environment when trying to install a Python pac...