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repair windows defender


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#1 n2011all

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Posted 13 September 2015 - 11:17 AM

On windows 10 windows defender antivirus is turned off automatically after the installation of another antivirus program.The question is - what will happen if you uninstall a third-party anti-virus program?The first version - windows defender will join himself and recoverThe second option - nothing will happen.My experience has shown that, contrary to the assertions of Microsoft, windows defender does not recover after the removal of a third-party antivirus product.To restore had to resort to an embodiment of the recovery from the recovery disc windowsI invite members of the board present their practical suggestions in this regard.So - what are the ways to restore operation windows defender after removing the anti-virus software of other vendors?​

 

Mod Edit:  English translation above, Russian below - Hamluis.

==============================================================================

ОРИГИНАЛ СООБЩЕНИЯ
В windows 10 антивирус windows defender отключается автоматически после установки другой антивирусной программы.
Вопрос - а что будет если деинсталлировать стороннюю антивирусную программу ?
Первый вариант - windows defender сам подключится и восстановится
Второй вариант - ничего не произойдет.
Мой опыт показал, что вопреки заверениям Microsoft , windows defender не восстанавливается после удаления стороннего антивирусного продукта.
Для восстановления пришлось прибегнуть к варианту восстановления windows с диска восстановления
Приглашаю пользователей форума изложить свои практические советы по этому поводу.
Итак - какие есть способы восстановления работы windows defender после удаления антивирусных программ других производителей ?


Edited by hamluis, 13 September 2015 - 11:57 AM.
Moved from Win 10 to AV/AM Software - Hamluis.


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#2 dannyboy950

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Posted 13 September 2015 - 01:30 PM

I am gonna follow this on my Vista machine each 3rd party av would disable defender and even when you uninstalled them defender would stay disabled.

I never found a way to re-enable.  I would get a message that it was not running but clicking on re-enable would do nothing.


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#3 Sintharius

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Posted 13 September 2015 - 02:20 PM

Hi there,

Windows Defender on Vista and on Windows 10 are different - the Vista version is only an antispyware, while the Windows 10 version is a full-fledged antivirus with the same level of protection as Microsoft Security Essentials.

If a third-party antivirus is uninstalled on Windows 10, WD should kick back in automatically. You don't have to do anything.

#4 dannyboy950

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Posted 13 September 2015 - 03:27 PM

Thank you that is good to know. I have not installed any other AV because of my past experiences.

I do have Malwarebytes pro it has not affected windows defender on here with 10. Guess that is why.  The Mcafee expired before I installed 10 so was not an issue.


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#5 quietman7

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Posted 13 September 2015 - 04:32 PM

Alex is correct that Windows Defender should turn on in most cases after uninstalling the third-party anti-virus. However, 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.
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