Checklists for software errors, setup, and tool workflows.

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Fix 'Port Already in Use' Error When No Process Shows

You try to launch Chrome or a Chrome-based tool (like Puppeteer, Selenium, or a local dev server)...

Windows Defender Stuck Loading: How to Fix

You click Windows Security, and it just sits there spinning, never opening. This is a common frus...

Fix Task Scheduler 502 Bad Gateway Not Working

If you see a 502 Bad Gateway error when Task Scheduler runs a task that hits a web service or IIS...

Windows Search 502 Bad Gateway Reset Steps

You search for a file or setting in Windows, and instead of results you see a 502 Bad Gateway err...

Fix 'pip install no matching distribution found for requirements.txt'

When you run pip install -r requirements.txt and see ERROR: Could not find a v...

Fix Microsoft Store Dependency Conflict on Windows 11
You try to install or update an app from the Microsoft Store on Windows 11, but it fails with an ...