Checklists for software errors, setup, and tool workflows.

Fix Windows Update Connection Refused Due to Proxy Settings

When Windows Update reports a 'connection refused' error, it's often due to a misconfigured proxy...

Windows Security Authentication Failed: Troubleshooting Checklist

When Windows throws an authentication failed error, it usually means the system couldn't verify y...

PowerShell Command Not Found but Works in CMD

You open PowerShell, type a command you know works in Command Prompt, and get an error like

Docker Compose Build No Cache Checklist: Step-by-Step

When You Need a Clean Build

If you notice your Docker Compose services are not picking u...

How to Remove a Host Key from SSH Known Hosts

SSH warns or fails when a remote host's key changes—common after server rebuilds, IP reassignment...

Fix Chrome Profile 404 Error on Windows 11

You open Chrome on Windows 11 and see a 404 error related to your profile. The browser may fail t...