Device security - Page not available


My Computer

System One

  • OS
    Windows 11 Pro
    Computer type
    PC/Desktop
    Manufacturer/Model
    Custom
    CPU
    Intel Core i9 9900K
    Motherboard
    MSI MPG Z390 Gaming Pro Carbon AC
    Memory
    Corsair Vengeance RGB Pro 32GB [ 4 x 8GB ] DDR4 3600MHz CL18
    Graphics Card(s)
    MSI GeForce GTX 1660Ti Ventus XS 6GB OC @ +120/+500
    Monitor(s) Displays
    Samsung Odyssey G7 , 32" , 2560x1440 , VA , 240Hz , 1ms
    Screen Resolution
    QHD 2560x1440
    Hard Drives
    SSD: Samsung 980 Pro 250GB
    HDD: 2x Western Digital Blue 4TB
    PSU
    Cooler Master MWE 550W White
    Case
    Cooler Master MasterCase H500P Mesh ARGB
    Cooling
    DeepCool Gammaxx L360 v2
    Keyboard
    Corsair K95 RGB Platinum ( MX Speed ) [ SteelSeries PrismCaps ]
    Mouse
    Corsair Dark Core RGB Pro SE
    Internet Speed
    16 Mb/s ‌ ‌ | ‌ ‌ 1 Mb/s
    Browser
    Microsoft Edge
    Antivirus
    Windows Security
You may be missing a file in the Secuity Health folder. My folder was empty afterWIN11 update. I ran this reinstall and can access Device Security options.

You can try reinstalling Windows Security Platform with the new update. Download from this link the folder that contains the application:

1.0.2207.20002-0.zip | Powered by Box

Now follow these steps:

1. Create a restore point first

2. Unzip the downloaded ZIP file on the Desktop

3. Navigate to the location C:\Windows\System32\SecurityHealth to take ownership of that folder:

Properties > Security > Advanced Options > Change > Administrators

Check the "Replace owner on subcontainers and objects" box and click Apply.

In the "SecurityHealth Permissions" window select Administrators > Full Control. Apply.

4. Copy the "1.0.2207.20002-0" folder on the Desktop to the SecurityHealth folder

5. Open the folder and run the application "Microsoft.SecHealthUI_8wekyb3d8bbwe.appx" as administrator to update.

6. Restart the computer.
 

My Computer

System One

  • OS
    Win11 22623.891
    Computer type
    Laptop
    Manufacturer/Model
    HP
    CPU
    11th Gen Intel R Core TM i7 - 1165G7 @ 2.80GHz
    Memory
    16gb
    Graphics Card(s)
    Intel R Iris R Xe Graphics
    Sound Card
    Realtek R Audio, Intel Smart Sound
    Hard Drives
    C
    Browser
    Google
    Antivirus
    Windows Security/Microsoft Defender
    Other Info
    Downloaded MSEdgeRedirect
I had this turn up today after just installing a completely fresh version of Win 11 last week.
I have checked out @CharmaineK suggestion and got this (see attached image).
This is a new PC running Ryzen 5800X3D, Aorus X570 Master Motherboard, 32GB DDR4, RTX 4090 - I have a discrete (Gigabyte) TPM 2.0 Hardware Module for the motherboard due to long standing issues (stuttering that despite AMD saying was resolved is not completely resolved) with AMD's fTPM solution built into Ryzen 5000 series CPUs, which is active and recognized by Windows. Secure boot is on etc. Ran full DISM/sfc without any integrity violations or any other issues. These issues have just appeared since the latest CU installed 2 days ago (KB5023706 - Version 22H2 - OS Build 22621.1413).
Memory Integrity/Core Isolation have never been options that were available, even when using the CPU's fTPM in BIOS, a problem many others have seen - here's a link to a Microsoft support page, just updated by someone else (on an Intel 13th Gen CPU) just days ago on March 11th, so clearly not an isolated issue only impacting AMD CPU based builds:
1678981136064.png:
1678980453744.png
 
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My Computer

System One

  • OS
    Win 11
    Computer type
    PC/Desktop
    Manufacturer/Model
    Self-Built
    CPU
    Ryzen 5800X3D
    Motherboard
    Gigabyte Aorus X570 Master (rev 1.2)
    Memory
    G.Skill Trident Z RGB 3600Mhz
    Graphics Card(s)
    Zotac RTX 4090 Amp Extreme Airo
    Sound Card
    On-Board Realtek ALC1220-VB, FiiO USB DAC
    Monitor(s) Displays
    LG C2 42 Main Desktop, 3x Gigabyte FI32Q in a triple array for gaming simulations
    Screen Resolution
    3840x2160, 2560x1440 (3)
    Hard Drives
    WD SN850X 2TB M.2 NVME (OS Drive), WD SN850 2TB M.2 NVME, 2x Crucial 2TB SSD, Crucial 1TB SSD, Seagate Barracuda 2TB HDD
    PSU
    EVGA SuperNOVA 1000 G6, 80 Plus Gold 1000W
    Case
    NZXT H7
    Cooling
    EK AIO Elite 360mm Elite
    Keyboard
    SteelSeries TK7 Pro
    Mouse
    Logitech G502X
    Internet Speed
    1GB
    Browser
    Edge Chromium
    Antivirus
    Windows Defender

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