How to Uninstall Microsoft Security Essentials from Server 2012/2012R2 (FIX Error 0x8004FF04).

Last updated on June 1st, 2020

In a previous article, I mentioned the way to install Microsoft Essentials on Server 2012 or 2012R2. In this article, I will show to you, how to uninstall Security Essentials from Server 2012/2012R2, if you having problems while uninstalling it, from 'Programs and Features' in control panel, with error code 0x8004FF04: "Microsoft Security Essentials cannot be installed on your operating system. Your version of Windows in not supported by this program"

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This tutorial contains instructions on how to uninstall Microsoft Security Essentials from Server 2012/2012R2 and to resolve the Security Essentials Uninstall error 0x8004FF04.

How to Remove Microsoft Security Essentials from Windows Server 2012R2 or Server 2012.

1. Navigate to Control Panel -> Programs and features.
2. Select the Microsoft Security Essentials
and click Uninstall.
3.
Without closing the "MSE installation error" window (see screenshot below), press CTRL + ALT + DELETE and open the Task Manager.

Security Essentials uninstall error 0x8004FF04

3. At the 'Users' tab, right click at Microsoft Security Essentials Client Setup process and choose Open file location.

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Uninstall Microsoft Security Essentials Server 2012

4. Then right-click at the "Setup.exe" file and select Properties.
5. At Compatibly tab, select Run this program in compatibly mode for Windows 7 and click OK

remove microsoft securty essentials server 2012

6. Now, press the Windows + R keys, and then drag the "Setup.exe" file to the RUN command box.

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7. Then select and copy (CTRL + C), the full path of the "Setup.exe" file, from the RUN command box.
8. Open command prompt and paste (CTRL + V) the copied path.
9. At the end of the copied path, type "/disableoslimit /u" (without quotes) and press Enter:

e.g. At this point you should have a command, like this:

  • C:\Users\Administrator\AppData\Local\Temp\{7F98308D-43D2-4B63-84B0-B8476794125B}\Setup.exe /disableoslimit /u

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10. Finally click Uninstall and follow the rest prompts, to completely remove the Microsoft Security Essentials from your server.

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That’s it! Let me know if this guide has helped you by leaving your comment about your experience. Please like and share this guide to help others.

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