Checklists for software errors, setup, and tool workflows.

How to Fix Nginx Permission Denied Errors

If you see 13: Permission denied in your Nginx error log, Nginx cannot read a file o...

Fix Windows Defender Threat Service Stopped Startup Type Error

If you open Windows Security and see a message that the threat service has stopped and the startu...

Fix Windows Defender Invalid Configuration After Update

After a Windows update, you might open Windows Security and see a yellow warning: "Invalid config...

Fix Docker Build Error: 'failed to solve: manifest not found'

You run docker build and get an error like:

failed to solve: error fetching ...

Fix Windows Defender Version Mismatch After Update

After a Windows update, you might see a message that Windows Defender (Microsoft Defender Antivir...

Fix 'Windows Defender File Locked Cannot Access' Error

You try to open, move, or delete a file, and Windows tells you the file is locked by Windows Defe...