Checklists for software errors, setup, and tool workflows.

How to Fix Windows Terminal 404 Error on Open

You click Windows Terminal and nothing happens, or you see a 404 error message. This usually mean...

Windows Defender Real-Time Protection Error 0x80070422 Fix

You try to turn on Windows Defender real-time protection, but you get error 0x80070422. This usua...

Fix Windows Security Proxy 504 Gateway Timeout Configuration

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

OneDrive Invalid Configuration Sync Issue Fix

Understanding the Problem

You open OneDrive and see an error like "Invalid configuration"...

Check for Malware When Windows Activation Causes High CPU Usage

If your computer's CPU usage spikes after a Windows activation attempt, malware may be the culpri...

How to Fix Task Scheduler Not Running Tasks

You set up a scheduled task, but it never runs. This is a common frustration. The causes are usua...