windows defender

mrrocha14

New Member
Messages
1
How can I turn on my windows defender??? there are no options to turn on. please help.
 

My Computer

System One

  • OS
    64
    Computer type
    PC/Desktop
    System Manufacturer/Model
    aspireX3910
    Antivirus
    mcafee
Unless you hace altered any of the defaults, it should be on already. But if you have installed any third party anti Virus programs, many automatically turn it off.
Open Defender. You can do this from the Control Panel. Click Settings and it should show you that Defender is running in "Real" mode.
If not, my first remark applies, and you may have to consider if you wish to keep the third party program, or use Defender instaed.
 

My Computer

System One

  • OS
    Windows 8.1
    Computer type
    PC/Desktop
    Other Info
    Use several different computers during a day, so specs are irrelevant.
Hello,

If I understand your message, Davehc, Windows Defender might not work if a third party AV has been installed? Would it be the case with my brand new computer? Impossible to open Windows Defender. I have a message saying: “This app has been turned off and isn’t monitoring your computer”. Impossible to turn it on”. When I tried to start it (R+service.mcs + windows defender), I still hav this message: “Windows cannot verify the digital signature for this file. A recent hardware or software change might have installed a file that is signed incorrectly or damaged, or that might be malicious software from an unknown source.” Is there another way to turn Windows Defender on?

Thank you for your answers.
 

My Computer

System One

  • OS
    windows 8.1 Pro
    Computer type
    Laptop
    System Manufacturer/Model
    Lenovo T440s
    Browser
    Internet Explorer
    Antivirus
    Kaspersky
Your specs show that you have Kaspersky installed and you would have to remove it by any removal tool that they have.
 

My Computer

System One

  • OS
    windows 8.1 Update 1 Pro 64bit
    System Manufacturer/Model
    Pavillion H8-1202
    CPU
    I7-2600 @ 3.4 GHz
    Motherboard
    PEGATRON
    Memory
    8 GB
    Graphics Card(s)
    NIVDIA GeForce GT 520
    Sound Card
    Realtek ALC656GR CODEC
    Monitor(s) Displays
    Samsung SyncMaster S22B350
    Screen Resolution
    1920X1080 32 bit color
    Hard Drives
    Samsung 850 EVO SSD 500GB
    Keyboard
    Razer Blackwidow Ultimate 2013
    Mouse
    Logitech M510
Yes, I have installed Kaspersky. So, would it be the AV which interferes with Windows Defender? It was not the case with Windows 7...
 

My Computer

System One

  • OS
    windows 8.1 Pro
    Computer type
    Laptop
    System Manufacturer/Model
    Lenovo T440s
    Browser
    Internet Explorer
    Antivirus
    Kaspersky
OK. Thanks.
 

My Computer

System One

  • OS
    windows 8.1 Pro
    Computer type
    Laptop
    System Manufacturer/Model
    Lenovo T440s
    Browser
    Internet Explorer
    Antivirus
    Kaspersky
most antivirus programs will shut off WD, when you uninstall them, WD will turn back on
 

My Computer

System One

  • OS
    4 Windows 7 Pro Sp1- 4 Win 8 Pro, 1- xp pro sp3
    Computer type
    PC/Desktop
    System Manufacturer/Model
    Dell Optiplex 390, 380, 3 Vostro Laptops (7 computers in all)
    CPU
    desktop/laptop
    Memory
    4gigs
    Graphics Card(s)
    atm randioum
    Hard Drives
    350,250
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