Knowledge base for software setup, errors, and daily tool work.

How to Set Command Prompt as Default Terminal in Windows 11

Windows 11 ships with Windows Terminal as the default terminal app. If you prefer the classic Com...

Command Prompt 504 Gateway Timeout Troubleshooting Checklist

If you're getting a 504 Gateway Timeout error while browsing or using a web service, it usually m...

How to Restart Remote Desktop Service from Command Line

If you need to restart the Remote Desktop service on a Windows machine—perhaps because users can'...

Fix Outlook Module Not Found Error 0x80040154

You open Outlook and get an error: 0x80040154 — "Class not registered" or "module no...

How to Check Windows Activation Status Using Built-in Tools

When Windows is not activated, you may see a watermark on the desktop, lose access to personaliza...

Fix Chrome Profile Port Already Allocated Error