Solved How do I restore Windows Defender?


Anixx said:
I started a file from your link, it does nothing:
View attachment 126413
Just instantly exits.
Click to expand...

Try this

Download
Code: 
https://catalog.s.download.windowsupdate.com/c/msdownload/update/software/defu/2024/02/securityhealthsetup_e16941e14861a6d24750ecdf05c548189b33182a.exe

Copy the link, paste into browser to download. Right click and run as admin.
 

My Computers

System One System Two

  • OS
    Windows 11 Pro 23H2 Build 22631.4890
    Computer type
    PC/Desktop
    Manufacturer/Model
    Sin-built
    CPU
    Intel(R) Core(TM) i7-4770K CPU @ 3.50GHz (4th Gen?)
    Motherboard
    ASUS ROG Maximus VI Formula
    Memory
    32.0 GB of I forget and the box is in storage.
    Graphics Card(s)
    Gigabyte nVidia GeForce GTX 1660 Super OC 6GB
    Sound Card
    Onboard
    Monitor(s) Displays
    4 x LG 23MP75 - 2 x 24MK430H-B - 1 x Wacom Pro 22" Tablet
    Screen Resolution
    All over the place
    Hard Drives
    Too many to list.
    OS on Samsung 1TB 870 QVO SATA
    PSU
    Silverstone 1500
    Case
    NZXT Phantom 820 Full-Tower Case
    Cooling
    Noctua NH-D15 Elite Class Dual Tower CPU Cooler / 6 x EziDIY 120mm / 2 x Corsair 140mm somethings / 1 x 140mm Thermaltake something / 2 x 200mm Corsair.
    Keyboard
    Corsair K95 / Logitech diNovo Edge Wireless
    Mouse
    Logitech G402 / G502 / Mx Masters / MX Air Cordless
    Internet Speed
    100/40Mbps
    Browser
    All sorts
    Antivirus
    Kaspersky Premium
    Other Info
    I’m on a horse.
  • Operating System
    Windows 11 Pro 23H2 Build: 22631.4249
    Computer type
    Laptop
    Manufacturer/Model
    LENOVO Yoga 7i EVO OLED 14" Touchscreen i5 12 Core 16GB/512GB
    CPU
    Intel Core 12th Gen i5-1240P Processor (1.7 - 4.4GHz)
    Memory
    16GB LPDDR5 RAM
    Graphics card(s)
    Intel Iris Xe Graphics Processor
    Sound Card
    Optimized with Dolby Atmos®
    Screen Resolution
    QHD 2880 x 1800 OLED
    Hard Drives
    M.2 512GB
    Antivirus
    Defender / Malwarebytes
    Other Info
    …still on a horse.
antspants said:
Try this

Download
Code: 
https://catalog.s.download.windowsupdate.com/c/msdownload/update/software/defu/2024/02/securityhealthsetup_e16941e14861a6d24750ecdf05c548189b33182a.exe

Copy the link, paste into browser to download. Right click and run as admin.
Click to expand...
 

My Computers

System One System Two

  • OS
    Windows 11 Pro 23H2 Build 22631.4890
    Computer type
    PC/Desktop
    Manufacturer/Model
    Sin-built
    CPU
    Intel(R) Core(TM) i7-4770K CPU @ 3.50GHz (4th Gen?)
    Motherboard
    ASUS ROG Maximus VI Formula
    Memory
    32.0 GB of I forget and the box is in storage.
    Graphics Card(s)
    Gigabyte nVidia GeForce GTX 1660 Super OC 6GB
    Sound Card
    Onboard
    Monitor(s) Displays
    4 x LG 23MP75 - 2 x 24MK430H-B - 1 x Wacom Pro 22" Tablet
    Screen Resolution
    All over the place
    Hard Drives
    Too many to list.
    OS on Samsung 1TB 870 QVO SATA
    PSU
    Silverstone 1500
    Case
    NZXT Phantom 820 Full-Tower Case
    Cooling
    Noctua NH-D15 Elite Class Dual Tower CPU Cooler / 6 x EziDIY 120mm / 2 x Corsair 140mm somethings / 1 x 140mm Thermaltake something / 2 x 200mm Corsair.
    Keyboard
    Corsair K95 / Logitech diNovo Edge Wireless
    Mouse
    Logitech G402 / G502 / Mx Masters / MX Air Cordless
    Internet Speed
    100/40Mbps
    Browser
    All sorts
    Antivirus
    Kaspersky Premium
    Other Info
    I’m on a horse.
  • Operating System
    Windows 11 Pro 23H2 Build: 22631.4249
    Computer type
    Laptop
    Manufacturer/Model
    LENOVO Yoga 7i EVO OLED 14" Touchscreen i5 12 Core 16GB/512GB
    CPU
    Intel Core 12th Gen i5-1240P Processor (1.7 - 4.4GHz)
    Memory
    16GB LPDDR5 RAM
    Graphics card(s)
    Intel Iris Xe Graphics Processor
    Sound Card
    Optimized with Dolby Atmos®
    Screen Resolution
    QHD 2880 x 1800 OLED
    Hard Drives
    M.2 512GB
    Antivirus
    Defender / Malwarebytes
    Other Info
    …still on a horse.
antspants said:
Try this

Download
Code: 
https://catalog.s.download.windowsupdate.com/c/msdownload/update/software/defu/2024/02/securityhealthsetup_e16941e14861a6d24750ecdf05c548189b33182a.exe

Copy the link, paste into browser to download. Right click and run as admin.
Click to expand...
just tried it it also instantly exits.
1740450422701.webp
 

My Computer

System One

  • OS
    Windows 11

My Computers

System One System Two

  • OS
    Windows 11 Pro 23H2 Build 22631.4890
    Computer type
    PC/Desktop
    Manufacturer/Model
    Sin-built
    CPU
    Intel(R) Core(TM) i7-4770K CPU @ 3.50GHz (4th Gen?)
    Motherboard
    ASUS ROG Maximus VI Formula
    Memory
    32.0 GB of I forget and the box is in storage.
    Graphics Card(s)
    Gigabyte nVidia GeForce GTX 1660 Super OC 6GB
    Sound Card
    Onboard
    Monitor(s) Displays
    4 x LG 23MP75 - 2 x 24MK430H-B - 1 x Wacom Pro 22" Tablet
    Screen Resolution
    All over the place
    Hard Drives
    Too many to list.
    OS on Samsung 1TB 870 QVO SATA
    PSU
    Silverstone 1500
    Case
    NZXT Phantom 820 Full-Tower Case
    Cooling
    Noctua NH-D15 Elite Class Dual Tower CPU Cooler / 6 x EziDIY 120mm / 2 x Corsair 140mm somethings / 1 x 140mm Thermaltake something / 2 x 200mm Corsair.
    Keyboard
    Corsair K95 / Logitech diNovo Edge Wireless
    Mouse
    Logitech G402 / G502 / Mx Masters / MX Air Cordless
    Internet Speed
    100/40Mbps
    Browser
    All sorts
    Antivirus
    Kaspersky Premium
    Other Info
    I’m on a horse.
  • Operating System
    Windows 11 Pro 23H2 Build: 22631.4249
    Computer type
    Laptop
    Manufacturer/Model
    LENOVO Yoga 7i EVO OLED 14" Touchscreen i5 12 Core 16GB/512GB
    CPU
    Intel Core 12th Gen i5-1240P Processor (1.7 - 4.4GHz)
    Memory
    16GB LPDDR5 RAM
    Graphics card(s)
    Intel Iris Xe Graphics Processor
    Sound Card
    Optimized with Dolby Atmos®
    Screen Resolution
    QHD 2880 x 1800 OLED
    Hard Drives
    M.2 512GB
    Antivirus
    Defender / Malwarebytes
    Other Info
    …still on a horse.
garlin said:
Do you not have a "\Program Files\Windows Defender" folder at all?
Click to expand...
Anixx said:
I have it. As I understand, it contains the service, which worked until I disabled it in registry.
Click to expand...
Are you sure it's not just the systray icon that's missing but that in fact Defender is actually running

Task Manager : Ctl+Alt+Del > Task Manager > Start-up apps > Microsoft Defender, and SecurityHealthSystray.exe > make sure both are Enabled > reboot
 

My Computers

System One System Two

  • OS
    Windows 11 2xH2 (latest update ... forever anal)
    Computer type
    PC/Desktop
    Manufacturer/Model
    HP Slim S01
    CPU
    Intel i5-12400
    Memory
    8GB
    Graphics Card(s)
    NVIDIA GeForce GT730
    Sound Card
    OOBE
    Monitor(s) Displays
    Acer 32"
    Screen Resolution
    1920x1080
    Hard Drives
    512GB KIOXIA NVMe
    1TB SATA SSD
    PSU
    OOBE
    Case
    OOBE
    Cooling
    OOBE
    Keyboard
    BT
    Mouse
    BT
    Browser
    Brave FFox Chrome Opera
    Antivirus
    KIS
  • Operating System
    Windows 11 Pro 2xH2 (latest update ... 4ever anal)
    Computer type
    Laptop
    Manufacturer/Model
    HP Pavillion 15
    CPU
    i7-1165G7 @ 2.80GHz
    Graphics card(s)
    Intel Iris Xe Graphics
    Hard Drives
    Samsung NVMe 512GB
    + numerous/multiple SSD Type C USB enclosures
    Internet Speed
    NBN FTTN 50
    Browser
    Brave
    Antivirus
    KIS
idgat said:
Are you sure it's not just the systray icon that's missing but that in fact Defender is actually running

Task Manager : Ctl+Alt+Del > Task Manager > Start-up apps > Microsoft Defender, and SecurityHealthSystray.exe > make sure both are Enabled > reboot
Click to expand...
There is no Defender service in the list of services - I deleted it because having running defender over which I had no control was even worse. It deleted Explorer Patcher and other software. So, I deleted the service. The process is not running. But I need to get the access to the UI first.
 

My Computer

System One

  • OS
    Windows 11
Download this .appx file, you'll have to trust me on this.
Microsoft.SecHealthUI_1000.27703.1006.0_x64__8wekyb3d8bbwe.appx

I extracted it from the same SecurityHealthSetup.exe, but my script requires a GitHub tool which triggers most AV products. From Explorer, double-click on the file and DesktopAppInstall should try to install Defender UI for you.

Dropbox

www.dropbox.com www.dropbox.com
 

My Computer

System One

  • OS
    Windows 7
garlin said:
Download this .appx file, you'll have to trust me on this.
Microsoft.SecHealthUI_1000.27703.1006.0_x64__8wekyb3d8bbwe.appx

I extracted it from the same SecurityHealthSetup.exe, but my script requires a GitHub tool which triggers most AV products. From Explorer, double-click on the file and DesktopAppInstall should try to install Defender UI for you.

Dropbox

www.dropbox.com www.dropbox.com
Click to expand...
The web inteface says "It is not possible to download files of this type. Files of this type are not supported". Try to zip it.
 

My Computer

System One

  • OS
    Windows 11

My Computer

System One

  • OS
    Windows 11
For the technical folks, you can extract the SecHealthUI.appx package file from inside SecurityHealthSetup.exe by using ResourceExtractor. But beware like Resource Hacker, most security tools will block ResourceExtractor as "malware". It's not.

Code: 
ResourceExtractor.exe list SecurityHealthSetup.exe
ResourceExtractor.exe extract Microsoft.SecHealthUI.appx Setup_File RT_RCDATA/MICROSOFT.SECHEALTHUI_8WEKYB3D8BBWE.APPX/1033 SecurityHealthSetup.exe
 

My Computer

System One

  • OS
    Windows 7
Thank you, very much, everyone who tried to help in this thread. I now have Windows Defender running:
1740456955025.webp

I used this page to restore the registry values:
www.winhelponline.com

Windows Defender Service Missing; Security at a glance page is Empty

In the aftermath of malware infection, when you open the Services MMC on a Windows 10 or 11 computer, you may find that the Windows Defender (“Microsoft Defender Antivirus Service”) service is missing…
www.winhelponline.com www.winhelponline.com
 

My Computer

System One

  • OS
    Windows 11
But it does not still say anything about protection, saying "gathering the info"...

P.S. Works. The only issue, it is not localized.
1740457620698.webp
 

My Computer

System One

  • OS
    Windows 11
Maybe try resetting the Appx package:
Code: 
powershell -C "Get-AppxPackage *Microsoft.SecHealthUI* | Reset-AppxPackage"
 

My Computer

System One

  • OS
    Windows 7
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