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How to remove Windows Defender


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Do this to avoid any conflicts with NOD32 or any other security product for that matter:


For most users, simply turning off Windows Defender or disabling it via the Services Control Panel should be enough to stop it running. If for whatever reason you’re still having some sort of issue or are determined to remove Defender completely from the system, unfortunately is isn’t possible using Programs and Features or the Turn Windows features on or off window.

Although there is no official way to cleanly uninstall Defender, it is possible to remove the service, Control Panel entry, other related registry entries and all the files and folders manually so Defender is unofficially removed from the system. This does present its own set of problems though as the registry keys, files and folders are all protected with enhanced permissions and you have to take ownership of them all. Also, once removed, you can’t re-install Defender again because it isn’t a separate package.

As there seems to be no tool around to do it for you, we’ve decided to create our own little utility that can delete all the necessary protected registry keys, files and folders at the click of a button. Currently the program works great on Windows Vista and 7′s Defender, we may include full Windows 8 Defender support in future if people request it.


Simply download the portable Windows Defender Uninstaller and run it, then click the button to uninstall Defender. The lower pane will show what’s being deleted and if there are any errors. For best results, it’s best to disable Defender beforehand using one of the methods above. Please use this tool at your own risk as once Defender has been removed, it cannot easily be re-installed, make sure you have backups to hand in case you change your mind later on.


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  • ESET Moderators


I am unaware of any issues with Microsoft Windows Defender under Microsoft Windows XP, Vista or 7 and any of ESET's software.

Under Windows 8 and newer, the version of Windows Defender included with the operating system is a rebadged version of the Microsoft Security Essentials program, and that is disabled automatically when third-party software such as ESET's is installed.

If you believe you have come across an incompaitibility or other issue between Windows Defender or MSE and one of ESET's programs, you should contact ESET technical support immediately.


Aryeh Goretsky

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One time when installing NOD32, even though Windows Defender was disabled, NOD32 still told me that there is a conflicting security app. I don't know why it happened that time only but it DID happen.


Anyways, this could do no harm but only better as noone needs Microsoft's :)

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