Technology Jul 23, 2026 · 1 min read

Microsoft responds to LG monitors installing McAfee ads on Windows

App is installed through Windows Update when certain LG monitors connect to a PC.

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Ars Technica
by Scharon Harding
Microsoft responds to LG monitors installing McAfee ads on Windows

LG is reportedly pulling a McAfee pop-up ad from a controversial app that some of its monitors have stealthily installed on connected computers.

An example of the pop-up ad is seen in a still from Gamers Nexus' video. An example of the pop-up ad is seen in a still from Gamers Nexus' video. Credit: Gamers Nexus/Windows/YouTube

The app, LG Monitor App Installer, installs itself through a Windows Update alongside monitor driver updates. LG Monitor App Installer then pushes ads for a 30-day free trial for McAfee, as well as other software, via a pop-up on affected systems, multiple users have reported.

This has drawn negative attention recently, with complaints surfacing on Reddit and a subsequent video from YouTube channel Gamers Nexus. In the video, editor-in-chief Steve Burke said that the publication paid $1,200 for an LG UltraGear 3GX900A-B gaming monitor (the monitor’s price dropped to $600 two days later, Burke said) for testing and replicated the behavior “several times” across “multiple” Windows 11 systems.

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This article was originally published by Ars Technica and written by Scharon Harding .

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