mdmappinstaller.exe - Analyze and How to Fix Errors

★★★★☆ Verified File (27.08.2026)

⚠️ Important Notice: Quickly set up device management on your network. 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	10.0.19041.5794
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	131.5 kb.	134656 bytes.

Hashes:

MD5: ef1e1f3320c9b36db6d51a4354819ee1 ✅
SHA-1: 6b0bf50e49edeb7fe16b6bc0481f8ca217ded011
SHA-256: 7e9cd35927371dcfe8d231267cf421d681fc3bb4efc3501d11ab12cb039eacb4
SHA-512: da90528b82b42337b2093b9434e9b1ff3f758787be71ab13ae2e1f8166755a3fd95d5874e0595d025915fde2b7fe8585c5bfe432e4dd26fd121face714a5978a

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

mdmappinstaller.exe is a legitimate Windows executable file associated with Microsoft's Mobile Device Management (MDM) ecosystem, primarily used in enterprise environments to deploy and manage applications on managed devices.

Description and Standard Location

Description: This process is part of the Microsoft Intune Management Extension or the native Windows MDM agent. It handles the background installation, updates, and management of corporate applications pushed by system administrators.
Standard File Location:
- C:\Program Files (x86)\Microsoft Intune Management Extension\mdmappinstaller.exe
- C:\Windows\System32\ (if integrated natively with the OS MDM client)

How to Fix mdmappinstaller.exe Errors (Without Downloading Anything)

Errors related to this file usually happen due to corrupted sync data, frozen installation loops, or conflicts with enterprise management policies. You can fix these issues using native Windows tools.

Method 1: Restart the Intune Management Extension Service

If the installer is stuck or crashing, restarting its parent service often clears the error.

Press Win + R, type services.msc, and press Enter.
Scroll down and locate Microsoft Intune Management Extension.
Right-click the service and select Restart.
If it is stopped, right-click it and select Start.

Method 2: Run System File Checker (SFC) and DISM

If the file itself or its dependencies are corrupted, Windows can repair them automatically using cached system files.

Right-click the Start Menu and select Terminal (Admin) or Command Prompt (Admin).
Type the following command to repair the component store and press Enter:
```
DISM.exe /Online /Cleanup-image /Restorehealth
```
After it completes, type the following command to repair system files and press Enter:
```
sfc /scannow
```
Restart your computer after the scans finish.

Method 3: Clear Stuck MDM Installation Registry Keys

Sometimes a deployment gets stuck in a loop, causing continuous crashes. Clearing the registry cache forces Windows to retry fresh.

Press Win + R, type regedit, and press Enter.
Navigate to the following path: HKEY LOCAL MACHINE\SOFTWARE\Microsoft\EnterpriseResourceManager\Tracked
Look for subkeys related to the stuck application deployment and delete them. (Note: Back up your registry before making changes).

Method 4: Disconnect and Reconnect Work or School Account

If the error persists on a corporate device, re-triggering the MDM enrollment will rebuild the necessary application management directories.

Open Windows Settings (Win + I).
Go to Accounts > Access work or school.
Select your corporate account and click Disconnect.
Restart your PC.
Go back to the same menu and click Connect to re-enroll your device.

📊 Diagnostics Tool: Verify Your `mdmappinstaller.exe` 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.

Connected files:
ADVAPI32.dll
├── KERNEL32.dll
├── msvcp110 win.dll
├── msvcrt.dll
├── CRYPT32.dll
├── RPCRT4.dll
├── SHELL32.dll
├── ole32.dll
├── OLEAUT32.dll
├── USERENV.dll
├── WTSAPI32.dll
├── msi.dll
├── DeclaredConfiguration.dll
├── omadmapi.dll
└── DMCmnUtils.dll
Other versions:
️ mdmappinstaller.exe 10.0.19041.5794 64-bit (x64) | ️ mdmappinstaller.exe other