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  • Question

  • can't turn windows defender on, could this be because live one care or baseline security are installed?
    Wednesday, April 6, 2011 5:07 AM

Answers

  • Hello,

    do you have Microsoft Security Essentials installed?

    If yes, Windows Defender will be disabled.

    For more information:

    http://answers.microsoft.com/en-us/protect/forum/protect_start/windows-defender-and-microsoft-security-essentials/5309cb8d-02e1-40e8-974f-0dcedb9ab9fd


    This posting is provided "AS IS" with no warranties or guarantees , and confers no rights.

     

    Microsoft Student Partner
    Microsoft Certified Professional
    Microsoft Certified Systems Administrator: Security
    Microsoft Certified Systems Engineer: Security
    Microsoft Certified Technology Specialist: Windows Server 2008 Active Directory, Configuration
    Microsoft Certified Technology Specialist: Windows Server 2008 Network Infrastructure, Configuration

    • Proposed as answer by Sabrina Shen Thursday, April 7, 2011 9:05 AM
    • Marked as answer by nigel2008 Thursday, April 7, 2011 1:57 PM
    Wednesday, April 6, 2011 10:01 AM
  • can't turn windows defender on, could this be because live one care or baseline security are installed?
    If you have one of the following AV, anti-virus, programs installed, it will shut down your Windows Defender. Reason being those AVs have their own defenders. 2 defenders running in the same machine will create conflicts.
    Bottom line : it's ok. It's normal.
    List of AVs that will shut down Windows Defender :

    Norton
    McAfee
    AVG
    Microsoft Security Essentials

    If you do not have the above AV programs, here is how to restart Windows Defender:

    Start button > in the search box, type Services > press Enter key > scroll to find Windows Defender, click it > ....
    under Status heading, it should say ......... Started
    under Startup Type, it should say ............ Automatic
    If it does not say that, Right click at Windows Defender > click Properties >
    at Startup Type, click the pointer at far right and select Automatic
    at Service Status, click Start
    click OK when done.


    If it solves your problem, I did it. If it does not, my twin brother did it.
    • Proposed as answer by Sabrina Shen Thursday, April 7, 2011 9:04 AM
    • Marked as answer by nigel2008 Thursday, April 7, 2011 2:04 PM
    Wednesday, April 6, 2011 1:38 PM
  • Hi,

     

    Please check if the previous information helps.

     

    If not, please check if there is any error received when trying to turn on the service for Windows Defender.

     

    Regards,

     

    Sabrina


    This posting is provided "AS IS" with no warranties or guarantees, and confers no rights. |Please remember to click “Mark as Answer” on the post that helps you, and to click “Unmark as Answer” if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread.
    • Marked as answer by nigel2008 Thursday, April 7, 2011 2:04 PM
    Thursday, April 7, 2011 9:06 AM

All replies

  • Hello,

    do you have Microsoft Security Essentials installed?

    If yes, Windows Defender will be disabled.

    For more information:

    http://answers.microsoft.com/en-us/protect/forum/protect_start/windows-defender-and-microsoft-security-essentials/5309cb8d-02e1-40e8-974f-0dcedb9ab9fd


    This posting is provided "AS IS" with no warranties or guarantees , and confers no rights.

     

    Microsoft Student Partner
    Microsoft Certified Professional
    Microsoft Certified Systems Administrator: Security
    Microsoft Certified Systems Engineer: Security
    Microsoft Certified Technology Specialist: Windows Server 2008 Active Directory, Configuration
    Microsoft Certified Technology Specialist: Windows Server 2008 Network Infrastructure, Configuration

    • Proposed as answer by Sabrina Shen Thursday, April 7, 2011 9:05 AM
    • Marked as answer by nigel2008 Thursday, April 7, 2011 1:57 PM
    Wednesday, April 6, 2011 10:01 AM
  • can't turn windows defender on, could this be because live one care or baseline security are installed?
    If you have one of the following AV, anti-virus, programs installed, it will shut down your Windows Defender. Reason being those AVs have their own defenders. 2 defenders running in the same machine will create conflicts.
    Bottom line : it's ok. It's normal.
    List of AVs that will shut down Windows Defender :

    Norton
    McAfee
    AVG
    Microsoft Security Essentials

    If you do not have the above AV programs, here is how to restart Windows Defender:

    Start button > in the search box, type Services > press Enter key > scroll to find Windows Defender, click it > ....
    under Status heading, it should say ......... Started
    under Startup Type, it should say ............ Automatic
    If it does not say that, Right click at Windows Defender > click Properties >
    at Startup Type, click the pointer at far right and select Automatic
    at Service Status, click Start
    click OK when done.


    If it solves your problem, I did it. If it does not, my twin brother did it.
    • Proposed as answer by Sabrina Shen Thursday, April 7, 2011 9:04 AM
    • Marked as answer by nigel2008 Thursday, April 7, 2011 2:04 PM
    Wednesday, April 6, 2011 1:38 PM
  • Hi,

     

    Please check if the previous information helps.

     

    If not, please check if there is any error received when trying to turn on the service for Windows Defender.

     

    Regards,

     

    Sabrina


    This posting is provided "AS IS" with no warranties or guarantees, and confers no rights. |Please remember to click “Mark as Answer” on the post that helps you, and to click “Unmark as Answer” if a marked post does not actually answer your question. This can be beneficial to other community members reading the thread.
    • Marked as answer by nigel2008 Thursday, April 7, 2011 2:04 PM
    Thursday, April 7, 2011 9:06 AM