Windows 10: How to disable and possibly completely uninstall Defender

Hiyas, WinDefend is evil. I'm not able to get off this damn thing, sc delete WinDefend fails due to access denied. Not even speaking of disable the thing via management console. I tried also old good Defender Uninstaller which had worked good for Windows 8, not successful on 10.(error message uninstalled with errors). So how to beat it?
I'd like also hear about other intrusive services disabling program execution or protecting registry from access.

:)

 

How do i completely disable windows defender and the orginization control on windows 10.

Please see:

http://www.winhelponline.com/blog/organization-...

 

How do i completely disable windows defender and the orginization control on windows 10.

The error Your Organization used Windows Defender Application Control to Block this app could appear due to improper configuration settings. We'd like to learn more about your concern so that we could provide he proper resolution. We just have a few questions
for you:

Which build version of Windows 10 is on your computer? To check, click Start > Settings > System > About. For example, Windows 10 Enterprise Version 1709 OS Build 16299.15.

Did you make any changes to your computer before this started happening?

Is your computer connected to a domain?

Are you using BitLocker?

What troubleshooting steps have you done so far?

As an initial recommendation, we suggest that you disable the driver signature enforcement by following these steps:

Click Start.

Click the Power button.

Hold the Shift key and click Restart.

Choose Troubleshoot.

Click Advanced options.

Click Startup Settings.

Click Restart again.

Once your computer restarts, press F7 on your keyboard to select Disable driver signature enforcement. Your computer will now restart automatically.

If the issue persists after disabling the driver signature verification, disable Secure Boot temporarily in your computer's UEFI/BIOS. You can contact your computer's manufacturer or check the device manual for the steps on how to do this.

Important: Modifying BIOS/ complementary metal oxide semiconductor (CMOS) settings incorrectly can cause serious problems that may prevent your computer from booting properly. Microsoft cannot guarantee that any problems resulting from the configuring of BIOS/CMOS
settings can be solved. Modifications of the settings are at your own risk. 

If you can't find the toggle to disable Secure Boot, a firmware update for the UEFI/BIOS may be required. This can usually be found in the manufacturer's website.

After disabling Secure Boot, boot normally into Windows and check if you can install the programs. If you're successful, boot back into the UEFI/BIOS and re-enable Secure Boot since this is an important security feature.

We look forward to your response and the results of the initial troubleshooting.

If you are running Windows 10 Pro, Education or Enterprise

Windows Key+R

Type gpedit.msc in the box and hit Enter

On the pop-up window, head to Computer Configuration > Administrative Templates > Windows Components

Scroll down on Windows Components dialog, find and right-click on Data Collection and Preview Builds

Then double-click on Allow Telemetry on the right pane

Tick on Enabled and choose 3-Full from the drop-down menu.

Then click OK to save settings

Now you should see that the message is now gone

 

Hello Anakunda,

Have you already tried turning off Windows Defender using group policy like in the tutorial below? *Smile

https://www.tenforums.com/tutorials/5...dows-10-a.html

 

Just turn it off and then apply this ASAP.

[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\WdNisSvc]
"Start"=dword:00000004
[HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\WinDefend]
"Start"=dword:00000004

You can also delete ~500MB - C:\ProgramData\Microsoft\Windows Defender\

 

Thank yas, after applying both registry patches and deleting

C:\Program Files (x86)\Windows Defender\
C:\Program Files\Windows Defender\
C:\ProgramData\Microsoft\Windows Defender\

from another Windows it looks like WD is completely gone. To make sure I created in C:\Program Files
dummy file Windows Defender with no access rights to prevent creating WD folder in the future.

Problem with programs executing prevention however not fully gone, wanting install Comodo Personal Firewall (cfw_installer_5732_83.exe) and getting tray notification "This application can't run on this machine"
"Comodo 8.0 doesnot work on this version of Windows. Read more about it."

Apparently this message doesn't come from Comodo installer but from Windows. What's the service controlling it?
I have deactivated UAC and sc deleted Security Center, don't have more idea what yet to disable.

I have installed Windows 10 totally 5 times from which twice CFW was accepted for install and 3 times blocked. Strange.

What about Software Protection (sppsvc) ?

 

Install Norton Security Beta and say bye-bye to Defender:
NORTON™ - Antivirus-Software und Spyware-Entfernung

There is something else to do to delete Defender but what are you using to replace it? That replacement should do the work for you... Otherwise, try Norton because it will be fully disable it.

Take care,

 

Of course but WD is the worst. Not configurable and highly intrusive. I don't like NIS either. CIS worked always perfect for me and that's the way I'd like to go with Windows 10.

 

Installing a 3rd party AV disables WD; why bother removing it? Besides I don't see how it's intrusive in anyway, it's far less intrusive than most 3rd party AVs.

 

Because it is still running and sometimes causes problems, like 100% CPU usage.