Redmond readies the ground for Kaspersky's EU antitrust suit
"Windows 10 does disable some third-party security software, Microsoft has admitted, but because of compatibility – not competitive – issues.
Redmond is currently being sued by security house Kaspersky Lab in the EU, Germany and Russia over alleged anti-competitive behavior because it bundles the Windows Defender security suite into its latest operating system. Kaspersky (and others) claim Microsoft is up to its Internet Explorer shenanigans again, but that’s not so, said the operating system giant."
More: https://www.theregister.co.uk/2017/06/20/microsoft_disabling_thirdparty_antivirus/
Optional: https://web.archive.org/web/20170621150141/https://www.theregister.co.uk/2017/06/20/microsoft_disabling_thirdparty_antivirus/