Checklists for software errors, setup, and tool workflows.

1. Reproduce

2. Isolate

3. Apply

4. Verify

Latest checklists

View list

How to Fix GitLab Runner Stuck in Pending State

You push a commit, the pipeline starts, but the job sits in "pending" status indefinitely. This u...

How to Configure Proxy in Windows Terminal

If you need Windows Terminal to use a proxy server—for example, behind a corporate firewall or a ...

How to Fix Microsoft Teams Migration Stuck Issues

If your Microsoft Teams migration is stuck or taking too long, it's often due to a few common iss...

Fix 'Port Already Allocated' Error in Windows Defender

You open Windows Defender Security Center or try to run a scan, and you see an error saying a por...

Troubleshoot 504 Gateway Timeout in Windows Security App

When you open Windows Security (formerly Windows Defender Security Center) and see a 504 ...

Windows Security Version Mismatch: Troubleshooting Checklist
If you see an error message saying Windows Security has a version mismatch, or the Security Cente...