Andrew Armstrong

Andrew Armstrong is a UK-based IT professional with 26+ years of hands-on experience in Windows, Windows Server, SCCM/ConfigMgr, Active Directory, PowerShell, and enterprise infrastructure. He founded TechyGeeksHome in 2010 and has published over 1,500 practical guides covering real-world IT problems and solutions. When not solving IT problems, Andrew develops free Windows utilities including Ultimate Settings Panel, which has been downloaded over 850,000 times.

How-To Guides

Windows Store – Web Security Whitelist

HP LaserJet P4014 & P4015 – Reset the maintenance count instructions

SCORCH runbooks not showing in SCCM or SCSM

iPhone calls very quiet when using earpiece

How to use a computer to upload to Instagram

Outlook Certificate Autodiscovery Error

WordPress Mobile Theme Problems

User profile service failed the logon

Outlook Permissions error when opening attachments

Send-As Exchange Universal Distribution Group

WSUS – Cleanup using Powershell with email notification output

Get SID from Username and Username from SID using WMI Queries