
Checklist for Debugging 502 Bad Gateway in Command Prompt
You're working on a web app or API, and you get a 502 Bad Gateway error. The browser just says '5...

You're working on a web app or API, and you get a 502 Bad Gateway error. The browser just says '5...

If you use an IMAP account in Outlook and find that emails aren't showing up, sent items disappea...

You open the Microsoft Store, and it just sits there on a blank or spinning loading screen. This ...

If Windows Defender (Microsoft Defender Antivirus) gets stuck on a loading screen or shows a blan...

You're running Windows Defender and it throws a proxy error—often during an update or a full scan...

If you see 'authentication failed' when using Command Prompt in Windows 10, it usually means your...