DLL

mpengine.dll

Download and install mpengine.dll to fix missing or corrupted DLL errors.

(47 Files Available)
Last Updated

Repository Analysis

Company
Microsoft Corporation
Product
Microsoft Malware Protection
Description
Microsoft Malware Protection Engine
Architecture
x86-64 (64 bit) x86 (32 bit) ARM64
Metadata Consensus
47/47 Files 100%
Higher percentages indicate stronger agreement across versions. Browse repository metadata to compare differences between variants.

Frequently Asked Questions

What is mpengine.dll?

Metadata analysis shows mpengine.dll is a Dynamic Link Library (DLL) and is described as Microsoft Malware Protection Engine .

DLL files (Dynamic Link Library) are used by Windows programs to share code and resources. It allows multiple applications to use the same functions, improving performance and reducing redundancy. Most errors occur because the DLL is missing, corrupted, or outdated. In many cases, reinstalling the related application, repairing windows or replacing the DLL resolves the issue.

How do I fix mpengine.dll errors?

Most errors involving mpengine.dll occur because the DLL is missing, corrupted, or outdated. In many cases, reinstalling the related application or replacing the DLL resolves the issue. The steps below cover the most common ways to fix DLL errors.

  • Software DLLs: Fully un-install the application and then re-install the latest version. If you are not sure what software is causing problems, check available metadata for clues. If this does not solve your issue, you can try downloading and installing the DLL manually.
  • Windows DLLs: Make sure Windows is fully updated, then open Windows Terminal or PowerShell as an administrator. Repair the Windows component store so SFC can pull clean files DISM /Online /Cleanup-Image /RestoreHealth and then scan all system files sfc /scannow to automatically repair problems.
How do I install mpengine.dll?

To install mpengine.dll, place the DLL file in the same folder as the application’s .exe file. If you are not sure which version (32-bit or 64-bit) to use, you can safely install both. If you dont know the application or this does not work, install the DLL to the appropriate Windows system folder.

  • Software Install (Recommended): If known, place the DLL file next to the application’s .exe C:\path\to\exe\mpengine.dll.
  • 64-bit Install: Place 64-bit DLL files in the System32 folder, C:\Windows\System32\mpengine.dll
  • 32-bit Install: Place 32-bit DLL files in the SysWOW64 folder, C:\Windows\SysWOW64\mpengine.dll
How do I register mpengine.dll?

Most DLL files do not need registration, but some DLLs are COM components and must be registered to work correctly. If registration is required, open Windows Terminal or PowerShell as an administrator.

  • 64-Bit DLL: Register the DLL file regsvr32 "C:\path\to\mpengine.dll". (Drag a DLL to automatically fill the full path).
  • 32 Bit DLL: If you are registering a 32-bit DLL on 64-bit Windows, C:\Windows\SysWOW64\regsvr32 "C:\path\to\mpengine.dll".

Latest Releases

mpengine.dll
by Microsoft Corporation
for Microsoft Malware Protection
Microsoft Malware Protection Engine
NEW Version: 1.1.26060.3008 (df1b0eba8e0e68e7272235d6dea4de3285c715b9) Verified
Product Version: 1.1.26060.3008
Language: U.S. English (1033)
Uploaded: Jul 10, 2026   Size: 18MB
SHA256: a4048ddbedfd7df01856764b19b0757c654e5651bede09fa86c724a6804705df
SHA1: 9f5b4e0a628d01e7d8f44fe1f8e4a4250be091aa
MD5: 78f6f17131b1ea2c924dba105054e024
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD
mpengine.dll
by Microsoft Corporation
for Microsoft Malware Protection
Microsoft Malware Protection Engine
Version: 1.1.25110.1 (7b5fe375a4b370cefb38462a55bc18be6f5c04d7) Verified
Product Version: 1.1.25110.1
Language: U.S. English (1033)
Uploaded: Dec 20, 2025   Size: 20MB
SHA256: 928e171c60a44bb326776d2a356412ae98d78469bdf8c94ebfbfa09f8ec4b4b3
SHA1: 2a9eeef0e860eeb90416ff31c9cab59d7f10b54b
MD5: 07eecf758e6969060052296b49c40889
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD
mpengine.dll
by Microsoft Corporation
for Microsoft Malware Protection
Microsoft Malware Protection Engine
Version: 1.1.25100.9002 (03188a2834fc5690633006d0c559883d7948159e) Verified
Product Version: 1.1.25100.9002
Language: U.S. English (1033)
Uploaded: Dec 1, 2025   Size: 13.6MB
SHA256: e169a6c52b0b7bad86bb21eb4ad2ed67e01370b8d293ddf518f9c12b398e46df
SHA1: cc2a4c5d9f0a9234eb7928c1b40ddbbb08c66fed
MD5: c13da64cf7a35fb7e2f248df4c908d21
x86 – 32 Bit
IA-32, 32-bit
DOWNLOAD
mpengine.dll
by Microsoft Corporation
for Microsoft Malware Protection
Microsoft Malware Protection Engine
Version: 1.1.25100.9002 (03188a2834fc5690633006d0c559883d7948159e) Verified
Product Version: 1.1.25100.9002
Language: U.S. English (1033)
Uploaded: Dec 1, 2025   Size: 19.9MB
SHA256: 4fdeb4fdc21572b62a2bbeeb41a43eba32e409452217a1a7c7d9ef4064086328
SHA1: 819bedcf1a65cd561e1eb889eb9851031b6291e3
MD5: da84e989b7e25091a4e45dc9d357f405
x64 – 64 Bit
AMD64, x86-64
DOWNLOAD
mpengine.dll
by Microsoft Corporation
for Microsoft Malware Protection
Microsoft Malware Protection Engine
Version: 1.1.25090.3001 (d1174ecca1c8dba6890de7d13049b6f268f39dd7) Verified
Product Version: 1.1.25090.3001
Language: U.S. English (1033)
Uploaded: Oct 9, 2025   Size: 13.6MB
SHA256: 1bccd438cac188450cd419748575b03ca02b4ac9f7c0069cc8d0c5e92663552d
SHA1: 68ce01265cb30a13a4e6f618e46a6a489a93af76
MD5: e87de7820a2a8c22e86434051f1b87ed
x86 – 32 Bit
IA-32, 32-bit
DOWNLOAD