sechealthuidatamodel.dll - Analyze and How to Fix Errors

★★★★☆ Verified File (27.08.2026)

⚠️ Important Notice: Discover insights with our SecHealthUI Data Model DLL, enhancing data management and analysis efficiency. Manually replacing system libraries can brick future Windows updates or cause critical system failures.

Architecture:	32-bit (x86)	Compatible with 32 and 64-bit Windows
File version	10.0.19041.6456
Antivirus scan	✅ Clean	No viruses detected.
Digital signature	🟡 Not signed	Signature missing. The file may have been modified.
Hash Integrity	✅ MD5: Verified	In file hash protection exist and it is verified.
File size	2.5 Mb.	2597888 bytes.

Hashes:

MD5: 96849ba48009aaf9c83ca434cd7ed4ed ✅
SHA-1: e78f36f3f073f8b08be6373f2ebd0056bba0d635
SHA-256: 86ceecccdf2a7f37b65f2d2f04b245e920026a7369b323d30870d8ba8fec271c
SHA-512: ceb1f61ecf91e2226fd0e0fa8cd6b0fe7913cb47024ca3063eea3d0321a748f7a48168c4790a3d74b2b56303ba884739b4ae60b01ffcbc36df9be75fe3b6a856

✅ This file is compatible with 32-bit Windows and can run on ✅ 64-bit Windows (via the WOW64 subsystem).

File Description: sechealthuidatamodel.dll

The sechealthuidatamodel.dll file is a critical Microsoft system component belonging to the Windows Security (formerly Windows Defender) application. It provides the essential user interface data models and core operational infrastructure for the Windows Security Health User Interface (SecHealthUI.exe). Errors involving this file typically cause the Windows Security interface to crash, fail to open, or show a completely blank window.

Standard File Location

In a healthy Windows 10 or Windows 11 installation, this file is securely stored within the isolated Universal Windows Platform (UWP) app directories.

Primary System Path: C:\Program Files\WindowsApps\Microsoft.SecHealthUI [Version] x64 8wekyb3d8bbwe\
Alternative Built-in Manifest Path: C:\Windows\SystemApps\Microsoft.Windows.SecHealthUI cw5n1h2txyewy\

Security Warning: The legitimate file never resides directly inside the root C:\Windows\ or C:\Windows\System32\ folder. If a file with this name is found directly in those folders, it is highly likely to be camouflaged malware.

How to Fix sechealthuidatamodel.dll Errors Without Downloading Anything

You can resolve errors or missing file alerts related to this DLL without using external download links by utilizing native Windows deployment and repair utilities.

Method 1: Re-register the Windows Security App Package

Since this file is bound to a default Windows application package, re-registering it via PowerShell will completely regenerate the missing or corrupted files using your system's built-in component store.

Right-click the Start menu and select Terminal (Admin) or Windows PowerShell (Admin).

Copy and paste the following command into the terminal window, then press Enter:

Get-AppxPackage -AllUsers Microsoft.SecHealthUI | Foreach {Add-AppxPackage -DisableDevelopmentMode -Register "( .InstallLocation)\AppXManifest.xml"}

Once execution completes, restart your computer and check if Windows Security opens normally.

Method 2: Execute the Security Health Setup Utility

Windows includes an offline recovery executable specifically designed to redeploy the security subsystem files.

Press Win + E to open File Explorer and navigate to: C:\Windows\System32\SecurityHealth
Find the file named SecurityHealthSetup.exe.
Right-click on it and choose Run as administrator.
A brief, blank terminal window will flash on the screen to indicate the system is installing the clean original DLLs. Wait roughly 10 seconds, then attempt to launch the interface.

Method 3: Run the Built-In System Component Repair

If the underlying Windows component store itself is damaged, native tools can verify and repair system infrastructure integrity using cached OS images.

Open the search bar, type cmd, right-click on Command Prompt, and select Run as administrator.
Execute the deployment image repair engine by typing this command and hitting Enter:
```
DISM.exe /Online /Cleanup-Image /RestoreHealth
```
Let the process reach 100%. Next, type the following command to replace missing files and hit Enter:
```
sfc /scannow
```
Restart your system once the validation and repair phase finishes.

If you continue to experience crashes or interface errors after following these steps, let me know:

Your current Windows Operating System version (e.g., Windows 10 22H2 or Windows 11)
The exact text or code of any error prompt that appears
Whether you have any third-party antivirus software installed

I can then provide tailored configurations to resolve more specific profile corruption issues.

📊 Diagnostics Tool: Verify Your `sechealthuidatamodel.dll` File

Worried that the file on your PC has been modified by malware? Drop it into the form below. Our script will verify its file size, cryptographic hash (MD5/SHA-1), and check for a valid Microsoft digital signature.