Checklists for software errors, setup, and tool workflows.

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Certbot Nginx Plugin Install Failures: Common Fixes

When you run certbot --nginx and get an error like "The nginx plugin is not working"...

Fix Command Prompt Auto Start Not Working on Windows

You set Command Prompt to launch automatically on Windows startup, but it doesn't appear. This gu...

Fix Microsoft Teams SSL Certificate Expired Error

You open Microsoft Teams and see a warning that the SSL certificate has expired. The app may fail...

Fix PowerShell 502 Bad Gateway with Curl

If you're seeing a 502 Bad Gateway error when running curl commands in PowerShell, it usually mea...

Fix Firefox 'Profile Missing Permission Denied' Error

When you start Firefox and see an error like “Your Firefox profile cannot be loaded. It may b...

Fix Windows Update Error 0x80070643: Practical Steps
You run Windows Update and get error 0x80070643. The update fails, often with a generic message. ...