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.

Windows Tips & Troubleshooting

TranscribeGeek 1.0: Free Offline Transcription For Windows, With No Per-Minute Limit

5 min read

How to Fix Corrupted Windows System Files with SFC and DISM

How to Set Up a Read-Only Domain Controller (RODC)

CUKTECH 20 Power Bank Review: 25000mAh and 140W in a Can-Sized Package

Writing Your First PowerShell Script That Does Something Useful

Active Directory Tiered Administration Model: A Practical Setup Guide

LingoGeek: translate Word documents, PDFs and subtitles offline, free

ShortGeek 1.0: Turn Your Guides Into Vertical Shorts, Free And Offline

AuthGeek 1.0: A Free Two-Factor Authenticator That Stays On Your Own PC

SoundGeek 1.0: Free Audio Cleanup For Windows, With Nothing Uploaded

ReelGeek: free photo to vertical video for Windows

CutGeek 1.0: Free Background Removal For Windows, At Full Resolution

TranscribeGeek 1.0: Free Offline Transcription For Windows, With No Per-Minute Limit