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

How to Backup Microsoft Teams Data Before Uninstall

If you need to uninstall Microsoft Teams—perhaps to fix a persistent issue or free up space—you'l...

Fix Outlook Blank Screen After Office Installation

Symptom and likely cause

After installing or updating Microsoft Office, Outlook may open ...

Windows Defender Threat Service Stopped: Step-by-Step Checklist

If you see a notification that Windows Defender threat service has stopped, real-time protection ...

Fix 'Cannot Connect to Exchange Online' in PowerShell

When you run Connect-ExchangeOnline in PowerShell and get an error like "Cannot conn...

Fix Outlook 504 Gateway Timeout Errors: Step-by-Step Guide

When Outlook throws a 504 Gateway Timeout error, it usually means the server you...

Fix PowerShell Command Not Recognized in Windows 11

You type a PowerShell command and get 'not recognized as the name of a cmdlet, function, script f...