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Windows Defender will not turn back on.


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#1 dannyboy950

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Posted 16 January 2016 - 10:13 AM

I just uninstalled Mcafee Security Suite following their instructions for Win 10.  I now can not get Defender to turn back on.

I get a pop up saying another program is disableing Defender.

 

I was not aware Emsisoft would block/disable Defender. At the moment Emsisoft is the only security program I have left running.

 

Any ideas?


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#2 quietman7

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Posted 16 January 2016 - 10:30 AM

Since Windows 8/10 Defender includes anti-virus protection, it typically is disabled by the installation of a third-party anti-virus program...in your case McAfee Security Suite probably disabled it to begin with. However, uninstalling McAfee was not enough. Emsisoft Anti-Malware is an antivirus platform that includes anti-malware protection...EAM combines its technology with Bitdefender Anti-Virus. Windows Defender will remain disabled until that EAM has been completely uninstalled.

After removal of the third party anti-virus, Windows 8/10 Defender needs to be activated if you choose to use it. When uninstalling the third-party anti-virus Defender should automatically turn on. In some cases you may receive a message indicating your system has no protection...click here to turn on Windows Defender. If not, and Defender remains disabled, you will need to manually turn it on.

Since you are using Emsisoft, there is no need for Windows Defender.
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#3 dannyboy950

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Posted 16 January 2016 - 11:00 AM

Thank you I had forgotten that emsisoft also had an av element.  I knew Mcafee would turn it off just like Avast or any of the others, just forgot emsisoft would also.

 

Again my thanks.


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#4 quietman7

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Posted 16 January 2016 - 11:28 AM

No problem. Although Emsisoft Anti-Malware is still pretty much compatible with other anti-virus software, I suspect it has more to do with how Microsoft built Windows Defender allowing it to be easily disabled.

Windows Defender: 7 Things You Must Know

If you do install a third-party tool, Windows Defender will probably realize it and automatically disable itself. However, there are some cases where it doesnt play nicely, so youll need to disable Windows Defender on your own.


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