Checklists for software errors, setup, and tool workflows.

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Fix Firefox Secure Connection Failed DNS Error

You try to visit a website in Firefox and see 'Secure Connection Failed' with an error li...

Fix Windows Security App Not Starting on Windows 11

You click the Windows Security icon or try to open it from Settings, but nothing happens. The app...

Fix VSCode Git Authentication Failed SSH Key Error

You try to push or pull in VSCode and get Git: authentication failed even though you...

Windows Search Indexing Configuration Best Practices

If Windows Search is slow, returns no results, or uses too much CPU, the indexing configuration i...

Update Git SSL Certificates to Fix 'unable to get local issuer'

If you see fatal: unable to access 'https://...': SSL certificate problem: unable t...

Fix Windows Defender Real-Time Protection Configuration Error
You open Windows Security and see a message that real-time protection is turned off or has a conf...