Checklists for software errors, setup, and tool workflows.

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 Terminal DNS Lookup Failed Errors

When you see a "DNS lookup failed" error in Windows Terminal, it usually means the terminal can't...

Windows Security Log 4625 Failed Login Troubleshooting

When you see event ID 4625 in the Windows Security log, it means an account failed to log on. Thi...

Windows Defender Troubleshooting Checklist for Beginners

Windows Defender (now Microsoft Defender Antivirus) usually runs quietly in the background, but s...

Fix Windows Update 502 Bad Gateway Related to Proxy Settings

If you see a "502 Bad Gateway" error when running Windows Update, it often points to a problem wi...

Fix OneDrive Sync Setup Login Loop on Windows

You set up OneDrive sync, but instead of finishing, it keeps sending you back to the login screen...