Checklists for software errors, setup, and tool workflows.

Fix Windows Update 504 Gateway Timeout Related to Firewall Settings

If you see a 504 gateway timeout when running Windows Update, it usually means the update server ...

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 Outlook 502 Bad Gateway Error from Antivirus Interference

When you see a 502 Bad Gateway error in Outlook, it usually means a network comp...

Fix Windows Search Update Permission Denied Error

You try to update Windows Search, but get a 'permission denied' message. This usually happens whe...

How to Fix Outlook Error 0x80040600: Corrupt Data File

Outlook error 0x80040600 usually appears when you try to send or receive email. The error message...

Where Nginx Logs 404 Errors: Location & Troubleshooting

When nginx returns a 404 Not Found, the first step is checking the error logs. This article cover...