The previous key is actually written by a service svchost. I also noted that a 3rd key is written when the tamper protection is off:. This 3rd key is written by MsMpEng. So, we should be good to go then? Well, nothing is disabled yet, and after reboot ….
So this seems to be completely ignored. I finally managed to disable it, by adding a process exclusion including regedit. Setting its value to 1 immediately stops Windows Defender:. So here we are! But …. So I did not found any way to configure Defender itself to stop running.
But it actually runs in a Service, so maybe there is something there. The service cannot be modified using services. And indeed, after the reboot :. I put everything in a convenient script that disables what it can directly in defender Set-MpPreference , then modify the registry to disable the services, and set itself up to run again after reboot, to complete the removal.
First, I make sure to elevate to Administrator mandatory, and actually used when the scripted is run after rebooting , and SYSTEM if psexec is available. SYSTEM is optional, but we need it to write in the registry to modify the parameters in case Defender would still re-enable itself one day because it sure will …. Then the script use the Set-MpPreference command to disable everything we can, adding exception for all drive leter, and disabling all available engines.
And we are done! It can be executed from anywhere in the file system. The above method will only turn off real-time monitoring of Windows Defender. If you want to completely remove Windows Defender from Windows 10, use the following PowerShell command:. If you are a network admin and want to disable Windows Defender from your network, it is wise to use Group Policy. Just follow the steps below to turn off Windows Defender using the Group Policy editor:. The local policy will turn off Windows Defender for all local users while the domain policy will disable it for all systems on which the policy is applied.
You can also disable Windows Defender permanently from Windows Registry just by creating or altering a few registry keys..
Follow the steps below:. Windows Defender will not load after the next computer restart. To enable Windows Defender again, you can either delete the created registry key or simply change its value to 0.
Even if you manage to delete its service or files, it will most likely be restored on the next major Windows update. There are a few scenarios where the user wants to disable a specific part of the Windows Defender system. We will discuss the scenarios below. To turn off Windows Firewall only and keep using other Windows Defender functionality, follow the steps below:. This will only turn off the firewall.
The antivirus and other functionality of Windows Defender will keep on working. If you want to turn off the antivirus real-time functionality only, you can follow the steps below:. There should always be an anti-malware solution running on your computer at all times. These methods should be used to disable the security software temporarily. Readers should note that one must be running powershell "as administrator" for that to work. Similarly, for the sc commands in the other answers here, one must be running the command line as admin for those to work.
While Powershell's error makes that clear, at the command line, one would just get "Access is denied", which is not at all obvious. I don't think this method work anymore for Moab Yeah, the last time I used this command was in version and I'm sure it worked.
The version I skipped, so I can not tell for sure if it started in or Moab just for the sake of completeness, the command works on too Show 4 more comments. In Admin CMD — darkore0. What is the output from sc query WinDefend? Same here. Running as admin and still got Access is denied error. Show 3 more comments. Sign up or log in Sign up using Google.
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