Microsoft Defender APP from Store


Win7ine

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Windows 11 PRO / Windows Server 2016 Essentials
The Microsoft Defender App from the Store installed itself without even asking and was running on top of Windows 11 Security after signing in to my MS account.
I have just uninstalled it again as I do not know what its mission is at this stage exactly. Anybody here has a clue of what this is for?

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My Computer My Computer

At a glance

Windows 11 PRO / Windows Server 2016 Essentials
OS
Windows 11 PRO / Windows Server 2016 Essentials
Microsoft Defender is integrated with Windows 11 no app from Store should install without your permission.
 

My Computer My Computer

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Windows 11AMD Ryzen 7 5700GMicron Technology DDR4-3200 16GBNVIDIA GeForce RTX 3060
OS
Windows 11
Computer type
PC/Desktop
Manufacturer/Model
HP Pavilion
CPU
AMD Ryzen 7 5700G
Motherboard
Erica6
Memory
Micron Technology DDR4-3200 16GB
Graphics Card(s)
NVIDIA GeForce RTX 3060
Sound Card
Realtek ALC671
Monitor(s) Displays
Samsung SyncMaster U28E590
Screen Resolution
3840 x 2160
Hard Drives
SAMSUNG MZVLQ1T0HALB-000H1
So this Defender App installed without asking on all of my Win 11 Pro machines that also have Office/Microsoft 365 installed.
Machines without Office are not affected ....
 

My Computer My Computer

At a glance

Windows 11 PRO / Windows Server 2016 Essentials
OS
Windows 11 PRO / Windows Server 2016 Essentials
Microsoft Defender is integrated with Windows 11 no app from Store should install without your permission.
Agree that non of this "should" happen but it did. Anyone else had this (auto) install in combination with W11 and Office 365?
 

My Computer My Computer

At a glance

Windows 11 PRO / Windows Server 2016 Essentials
OS
Windows 11 PRO / Windows Server 2016 Essentials
Agree that non of this "should" happen but it did. Anyone else had this (auto) install in combination with W11 and Office 365?

That's weird... should reinstall in both cases - either through Windows Update or Windows Store. It's easier to leave it installed - and just Disable it instead. Either from the main menu or Search for Edit Group Policy Open Administrate Templates from Computer config - select Windows Components > Microsoft Defender Antivirus and Enable - Turn Off Microsoft Defender Antivirus. Or you could take the long road...

 

My Computer My Computer

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WinDOS 25H2Intel & AMDSO-DIMM SK Hynix 15.8 GB Dual-Channel DDR4-26...nVidia RTX 2060 6GB Mobile GPU (TU106M)
OS
WinDOS 25H2
Computer type
Laptop
CPU
Intel & AMD
Memory
SO-DIMM SK Hynix 15.8 GB Dual-Channel DDR4-2666 (2 x 8 GB) 1329MHz (19-19-19-43)
Graphics Card(s)
nVidia RTX 2060 6GB Mobile GPU (TU106M)
Sound Card
Onbord Realtek ALC1220
Screen Resolution
1920 x 1080
Hard Drives
1x Samsung PM981 NVMe PCIe M.2 512GB / 1x Seagate Expansion ST1000LM035 1TB

My Computer My Computer

At a glance

Home26H2CanAMD Ryzen 5 8600G (07/24)2x32GB Kingston FURY DDR5 5600 MHz CL36 @5200...ASROCK Radeon RX 6600 Challenger D 8G @48FPS ...
OS
Home26H2Can
Computer type
PC/Desktop
CPU
AMD Ryzen 5 8600G (07/24)
Motherboard
ASROCK B650M-HDV/M.2 (07/24) BIOS 4.21 AGESA ComboAM5 1.3.0.1 (04/26)
Memory
2x32GB Kingston FURY DDR5 5600 MHz CL36 @5200 CL36 (07/24)
Graphics Card(s)
ASROCK Radeon RX 6600 Challenger D 8G @48FPS (08/24)
Sound Card
Creative Sound BlasterX AE-5 Plus (05/24)
Monitor(s) Displays
24" Philips 24M1N3200ZS/00 (05/24)
Screen Resolution
1920×1080@165Hz via DP1.4
Hard Drives
Kingston KC3000 NVMe 2TB (05/24)
ADATA XPG GAMMIX S11 Pro 512GB (07/19)
PSU
Seasonic Core GM 550 Gold (04/24)
Case
Fractal Design Define 7 Mini with 3x Noctua NF-P14s/12@555rpm (04/24)
Cooling
Noctua NH-U12S with Noctua NF-P12 (04/24)
Keyboard
HP Pavilion Wired Keyboard 300 (07/24) + Rabalux 76017 Parker (01/24)
Mouse
Logitech M330 Silent Plus (01/26)
Internet Speed
500/100 Mbps via RouterOS (05/21) & TCP Optimizer
Browser
Edge, Brave for YouTube, LibreWolf for FB
Antivirus
NextDNS blocking 1/3 Traffic
Other Info
Phone: Motorola Moto G86 (02/26)
Backup: Hasleo Backup Suite (PreOS)
Headphones: Sennheiser RS170 (09/10)
Chair: Huzaro Force 4.4 Grey Mesh (05/24)
Notifier: Xiaomi Mi Band 9 Milanese (10/24)
FlexCore USB-C 3.2 Gen 1 (M) to LAN (F) (08/25)
Bingo, still don't understand its real mission: "Unlike Microsoft Defender Antivirus, which is a Windows component, Defender for Individuals is now a standalone Microsoft 365 app that works as a central dashboard that helps monitor Windows, macOS, iOS, and Android mobile and desktop devices."
 

My Computer My Computer

At a glance

Windows 11 PRO / Windows Server 2016 Essentials
OS
Windows 11 PRO / Windows Server 2016 Essentials
That's weird... should reinstall in both cases - either through Windows Update or Windows Store. It's easier to leave it installed - and just Disable it instead. Either from the main menu or Search for Edit Group Policy Open Administrate Templates from Computer config - select Windows Components > Microsoft Defender Antivirus and Enable - Turn Off Microsoft Defender Antivirus. Or you could take the long road...

You got his wrong, its not about this.
 

My Computer My Computer

At a glance

Windows 11 PRO / Windows Server 2016 Essentials
OS
Windows 11 PRO / Windows Server 2016 Essentials
still don't understand its real mission
It is a cloud interface to monitor all Defender apps on all of your devices.
In other words, MS wants to monitor it, but it pretends it is for your benefit.
 

My Computer My Computer

At a glance

Home26H2CanAMD Ryzen 5 8600G (07/24)2x32GB Kingston FURY DDR5 5600 MHz CL36 @5200...ASROCK Radeon RX 6600 Challenger D 8G @48FPS ...
OS
Home26H2Can
Computer type
PC/Desktop
CPU
AMD Ryzen 5 8600G (07/24)
Motherboard
ASROCK B650M-HDV/M.2 (07/24) BIOS 4.21 AGESA ComboAM5 1.3.0.1 (04/26)
Memory
2x32GB Kingston FURY DDR5 5600 MHz CL36 @5200 CL36 (07/24)
Graphics Card(s)
ASROCK Radeon RX 6600 Challenger D 8G @48FPS (08/24)
Sound Card
Creative Sound BlasterX AE-5 Plus (05/24)
Monitor(s) Displays
24" Philips 24M1N3200ZS/00 (05/24)
Screen Resolution
1920×1080@165Hz via DP1.4
Hard Drives
Kingston KC3000 NVMe 2TB (05/24)
ADATA XPG GAMMIX S11 Pro 512GB (07/19)
PSU
Seasonic Core GM 550 Gold (04/24)
Case
Fractal Design Define 7 Mini with 3x Noctua NF-P14s/12@555rpm (04/24)
Cooling
Noctua NH-U12S with Noctua NF-P12 (04/24)
Keyboard
HP Pavilion Wired Keyboard 300 (07/24) + Rabalux 76017 Parker (01/24)
Mouse
Logitech M330 Silent Plus (01/26)
Internet Speed
500/100 Mbps via RouterOS (05/21) & TCP Optimizer
Browser
Edge, Brave for YouTube, LibreWolf for FB
Antivirus
NextDNS blocking 1/3 Traffic
Other Info
Phone: Motorola Moto G86 (02/26)
Backup: Hasleo Backup Suite (PreOS)
Headphones: Sennheiser RS170 (09/10)
Chair: Huzaro Force 4.4 Grey Mesh (05/24)
Notifier: Xiaomi Mi Band 9 Milanese (10/24)
FlexCore USB-C 3.2 Gen 1 (M) to LAN (F) (08/25)
It is a cloud interface to monitor all Defender apps on all of your devices.
In other words, MS wants to monitor it, but it pretends it is for your benefit.
Yeah, MS wants to have a full scan and account of all files on all devices including non MS-O/S connected to one MS account. Very funny. Without even asking! It will stay uninstalled.
 

My Computer My Computer

At a glance

Windows 11 PRO / Windows Server 2016 Essentials
OS
Windows 11 PRO / Windows Server 2016 Essentials

My Computer My Computer

At a glance

WinDOS 25H2Intel & AMDSO-DIMM SK Hynix 15.8 GB Dual-Channel DDR4-26...nVidia RTX 2060 6GB Mobile GPU (TU106M)
OS
WinDOS 25H2
Computer type
Laptop
CPU
Intel & AMD
Memory
SO-DIMM SK Hynix 15.8 GB Dual-Channel DDR4-2666 (2 x 8 GB) 1329MHz (19-19-19-43)
Graphics Card(s)
nVidia RTX 2060 6GB Mobile GPU (TU106M)
Sound Card
Onbord Realtek ALC1220
Screen Resolution
1920 x 1080
Hard Drives
1x Samsung PM981 NVMe PCIe M.2 512GB / 1x Seagate Expansion ST1000LM035 1TB

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