Sir, you've been using Kaspersky Lab antivirus. Please come with us, sir
https://www.theregister.co.uk/2018/06/15/us_gov_ban_on_kaspersky_lab/
The US government issued an interim rule this morning prohibiting agencies from using products or services that have pretty much anything to do with Kaspersky Lab.
The Federal Acquisition Regulation (FAR) comes into effect from 16 July 2018 and is a result of the National Defense Authorization Act (NDAA), which prohibits any part of the US Federal government from using the antivirus vendor's wares.