Checklists for software errors, setup, and tool workflows.

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Fixing Nginx Permission Denied for Upstream Unix Socket

If you see connect() to unix:/var/run/php-fpm.sock failed (13: Permission denied) in...

Fix Chrome Profile Not Loading on Startup

You open Chrome and instead of your usual bookmarks, extensions, and history, you get a blank pro...

Fix Windows Terminal Path Not Found or Access Denied

When launching Windows Terminal, you may see errors like "The system cannot find the path specifi...

How to Fix Windows Defender That Keeps Stopping and Starting

If you notice Windows Defender (Microsoft Defender Antivirus) repeatedly stopping and restarting,...

Fix 'PowerShell Not Recognized as Internal or External Command'

When you type powershell in Command Prompt or a script and see 'powershell' is...

Windows Defender 502 Bad Gateway: Troubleshooting Checklist
If you see a 502 Bad Gateway error when opening Windows Security or trying to update Windows Defe...