Checklists for software errors, setup, and tool workflows.

Fix Outlook High CPU Usage Caused by Antivirus Scanning

Symptoms and Likely Cause

You notice Outlook consuming 50% or more CPU, making your syste...

Fix Windows Update 502 Bad Gateway Due to DNS Configuration

If you see a '502 Bad Gateway' error when running Windows Update, the problem is often on the net...

Fix Microsoft Teams 502 Bad Gateway Error by Clearing Cache

If you see a 502 Bad Gateway error in Microsoft Teams, it often means the app's ...

Microsoft Teams Connection Refused: Step-by-Step Troubleshooting

When you see a 'connection refused' error in Microsoft Teams, it usually means the app can't reac...

Fix Command Prompt Crash Loop on Windows 10

If Command Prompt opens and immediately closes, or crashes repeatedly when you try to type comman...

How to Fix Outlook '404 Not Found' When Opening Email Attachments

When you click an attachment in Outlook and see a '404 Not Found' error, it usually means the fil...