Checklists for software errors, setup, and tool workflows.

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Fix Firefox Not Responding When Opening a New Tab

You click the new tab button (or press Ctrl+T) and Firefox freezes, goes white, or shows a spinni...

Fix Command Prompt Update Not Working

If you've tried to update Windows or a specific program via Command Prompt and the update won't r...

Fix 502 Bad Gateway in Windows Terminal: Firewall Steps

If you see a 502 Bad Gateway error in Windows Terminal, it usually means a network component (lik...

Fix Windows Search Not Returning Results After Update

After a Windows update, you might click the search bar, type a query, and see nothing but a spinn...

Fixing Task Scheduler 504 Gateway Timeout Configuration

If you have a scheduled task that calls a URL or web service and you see a 504 Gateway Ti...

How to Reinstall the Windows Security App (Microsoft Defender)
If the Windows Security app (Microsoft Defender) is missing, won’t open, or shows errors, reinsta...