Microsoft Contact CPU Usage

[A_8___]

Hiafter i turn on my pc some app named microsoft contact starts in background and use my 30~40% of cpu usage and cant run game or watch movie until end task with task manager
what is this contact and is it normal? how to stop it?
(Bad English)

 

[Rocky Bennett]

This sounds like malware. Scan your system with MalwareBytes and of course with Windows Defender.

https://www.malwarebytes.com/