Checklists for software errors, setup, and tool workflows.

Fix Windows Terminal 404 Error on Startup

When Windows Terminal shows a 404 error on startup, it usually means the app cannot find a requir...

Fix Chrome Sync Error 0x80040201 – Step-by-Step Guide

You try to sign in to Chrome or start syncing, but you get error code 0x80040201. Bookmarks, pass...

Fix PowerShell 404 Not Found on GET Requests

When you run a PowerShell Invoke-RestMethod or Invoke-WebRequest with t...

MySQL Connection Refused on Port 3306: Causes and Fixes

If you're seeing "connection refused" when trying to connect to MySQL on port 3306, the MySQL ser...

Fixing Nginx Permission Denied for Upstream Unix Socket

If you see connect() to unix:/var/run/php-fpm.sock failed (13: Permission denied) in...

Fix Outlook Connection Timeout After Windows Update

Why Outlook times out after a Windows update

After a Windows update, Outlook may fail to ...