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 Connection Timeout After Latest Update

You've installed the latest Windows update, and now Windows Update hangs or times out when checki...

How to Fix Outlook 504 Gateway Timeout Configuration Errors

If you see a 504 Gateway Timeout error in Outlook (often when connecting to Exchange Online or a ...

Outlook 404 Not Found Error: Practical Troubleshooting Checklist

When Outlook shows a '404 Not Found' error, it usually means the client is trying to reach a reso...

Windows Terminal Port Allocation Troubleshooting

When Windows Terminal can't connect to a WSL distro, SSH host, or serial device, it often points ...

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...