Windows Defender

AVG Performance
3

Harald, With Win 10 Windows Defender is classified as an AntiVirus prog which can conflict with AVG therefore it's disabled when AVG is installed.
AVG Guru

1

Windows Defender no longer works for the installation of Windows 10

2

Harald, With Win 10 Windows Defender is classified as an AntiVirus prog which can conflict with AVG therefore it's disabled when AVG is installed.
AVG Guru