Checklists for software errors, setup, and tool workflows.

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Fix PostgreSQL Connection Refused Due to Firewall

When you see psql: error: connection to server at "host" (IP), port 5432 failed: Connection...

Fix Windows Security Proxy 504 Gateway Timeout Configuration
When Windows Security (Windows Defender) reports a 504 Gateway Timeout error through a proxy, it ...

Fix Windows Terminal Path Not Found Registry Error
If you see an error like "Windows Terminal: The path '...' is not found in the registry"...

Fix PowerShell Stuck on Loading Screen
PowerShell may get stuck on the loading screen for several reasons, most commonly a problematic p...

How to Resolve Port Conflicts with Windows Defender Firewall
You're trying to run a local server or application, but it fails to start because the port is alr...

Fix 'Windows Security App Not Installed' on Windows 10
You open the Start menu, search for Windows Security, and nothing shows up. Or you see a message ...

Checklists for software errors, setup, and tool workflows.

Latest checklists

Fix PostgreSQL Connection Refused Due to Firewall

Fix Windows Security Proxy 504 Gateway Timeout Configuration

Fix Windows Terminal Path Not Found Registry Error

Fix PowerShell Stuck on Loading Screen

How to Resolve Port Conflicts with Windows Defender Firewall

Fix 'Windows Security App Not Installed' on Windows 10

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