How-To

How to Check Your Refurbished Laptop for Pre-Installed Malware (Free 5-Minute Forensic Test)

Did your refurbished or used Windows laptop come with hidden adware, scareware, or residential proxy software pre-installed by the seller? Here's the free 5-minute forensic test that uses tools already built into Windows. No software to install, no technical experience required. This is the same test that documented an Amazon Renewed seller's adware installation on my Dell Latitude 7420 — eighty-two days before I powered it on for the first time.