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 Windows Defender Service Authentication Failed Error

You might see the error 'Windows Defender service authentication failed' when trying to open Wind...

Fix 502 Bad Gateway When Windows Search Not Working

You open Windows Search, type a query, and instead of results see a 502 Bad Gateway error. This u...

Fix Certbot Renew Certificate Not Working

You run certbot renew and nothing happens, or you get an error. Renewal failures oft...

Fix Chrome Version Mismatch with WebDriver Setup

When your Selenium tests fail with a message like “SessionNotCreatedException: Message: sessi...

How to Fix Chrome Invalid Profile Configuration Error
If you see 'Your profile could not be opened correctly' or 'Invalid profile configuration' when l...