It's not updated frequently ! Why to use it? I can hear you to say that Windows Defender it's not good as other antimalware solution. The impact will be much bigger if keep turn off the Windows Defender in a company environment if you have it as antimalware solution. When you will finish with your job must be enable it again. The only reason to turn off the Windows Defender is if you want to test a software, track performance of your pc or anything that must avoid for small period of time the Windows Defender. Imagine that the door of your house is open all day. You will be unprotected from every single threat in the Internet. However when you don't have any other Antimalware solution then it's not recommended to turn off Windows Defender permanently. So you don't need to do anything when you setup a new Antimalware solution. Windows Defender has the ability to turn off automatically when recognize that another Antimalware solution installed. It's very important to understand the impact that we can have when Turn Off Windows Defender in a PC of a Home user or in a Company environment. Today will be discuss different ways to disable Windows Defender. Tamper Protection are prevented from taken actions such as Disabling virus and threat protection, Disabling real-time protection, Turning off behavior monitoring, Disabling antivirus (such as IOfficeAntivirus (IOAV)), Disabling cloud-delivered protection, Removing security intelligence updates, Disabling automatic actions on detected threats.įor this reason every action to disable Windows Defender from Group Policy or registry will failed After Windows 10 v.1809 Microsoft enable Tamper Protection in Windows Defender.

Action in windows security task manager