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 PowerShell 502 Bad Gateway with Curl

If you're seeing a 502 Bad Gateway error when running curl commands in PowerShell, it usually mea...

Fix Windows Terminal Proxy Error: Connection Refused or Cannot Reach Proxy

When Windows Terminal fails to connect through a proxy, you may see errors like "Cannot reach pro...

Fix Windows Defender 504 Gateway Timeout Error

You open Windows Security and see a '504 Gateway Timeout' error. This usually means Windows Defen...

How to Fix BitLocker Connection Refused Errors

If you see a 'connection refused' error when trying to enable BitLocker or access a BitLocker-pro...

Setting Up Outlook SMTP for Gmail: Step-by-Step Guide

If you're using Outlook and want to send emails through your Gmail account, you need to configure...