Checklists for software errors, setup, and tool workflows.

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How to Set Up Windows Security Proxy Settings

If you've noticed that Windows Security isn't updating or connecting to the cloud for threat defi...

Sync Windows Terminal Settings Across Multiple Computers

If you use Windows Terminal on multiple computers, you may notice that changes you make on one ma...

Fix FFmpeg Audio Out of Sync in MP4 Files

If you've encoded an MP4 with FFmpeg and noticed the audio drifts out of sync—voice lagging behin...

How to Fix Windows Defender Service Unavailable in Windows 10

If you see 'Windows Defender service unavailable' in Windows 10, the antivirus may be disabled or...

Fix Certbot Renewal Failed with ACME Error

If you see a message like Certbot renewal failed with acme error when running ...

Fixing PostgreSQL Connection Refused and Permission Denied
When you try to connect to PostgreSQL and get "connection refused" or "permission denied", the pr...