Repair MrmCoreR.dll DLL Issues (How to Download and Fix)

Last Updated: 11/25/2023
[Time Required for Reading: 3.5 minutes]

MrmCoreR.dll uses the DLL file extension, which is more specifically known as a Microsoft Windows MRM file. It is classified as a Win32 DLL (Dynamic link library) file, created for Microsoft® Windows® Operating System by Microsoft.

The first version of MrmCoreR.dll was released for the Windows 8 Operating System on 08/01/2012 inside Windows 8. The latest file update released for Windows 10 was on 07/29/2015 [file version 10.0.15063.0 (WinBuild.160101.0800)]. MrmCoreR.dll is bundled with the software package in Windows 10, Windows 8.1, and Windows 8.

This article discusses complete file details, DLL file troubleshooting instructions for problems with MrmCoreR.dll, and a comprehensive set of free downloads for every file version that has been catalogued by our team.

File Analysis Provided by Jason Geater (Author)

File Overview

General Information ^✻
File Name:	MrmCoreR.dll
File Extension:	DLL file extension
Description:	Microsoft Windows MRM
Object File Type:	Dynamic link library
File Operating System:	Windows NT 32-bit
MIME Type:	application/octet-stream
User Popularity Rating:

Developer and Software Information
Software Developer:	Microsoft Corporation
Software Program:	Microsoft® Windows® Operating System
Legal Copyright:	© Microsoft Corporation. All rights reserved.

File Details
Character Set:	Unicode
Language Code:	English (U.S.)
File Flags:	(none)
File Flags Mask:	0x003f
Entry Point:	0x59920
Code Size:	757248

View Other MrmCoreR.dll Information

File Info	Description
File Size:	845 kB
File Modification Date/Time:	2017:03:18 18:19:19+00:00
File Inode Change Date/Time:	2017:11:05 07:07:54+00:00
File Type:	Win32 DLL
MIME Type:	application/octet-stream
Warning:	Possibly corrupt Version resource
Machine Type:	Intel 386 or later, and compatibles
Time Stamp:	2016:06:01 14:19:06+00:00
PE Type:	PE32
Linker Version:	14.10
Code Size:	757248
Initialized Data Size:	92672
Uninitialized Data Size:	0
Entry Point:	0x59920
OS Version:	10.0
Image Version:	10.0
Subsystem Version:	10.0
Subsystem:	Windows command line
File Version Number:	10.0.15063.0
Product Version Number:	10.0.15063.0
File Flags Mask:	0x003f
File Flags:	(none)
File OS:	Windows NT 32-bit
Object File Type:	Dynamic link library
File Subtype:	0
Language Code:	English (U.S.)
Character Set:	Unicode
Company Name:	Microsoft Corporation
File Description:	Microsoft Windows MRM
File Version:	10.0.15063.0 (WinBuild.160101.0800)
Internal Name:	MrmCore
Legal Copyright:	© Microsoft Corporation. All rights reserved.
Original Filename:	MrmCore.dll
Product Name:	Microsoft® Windows® Operating System
Product Version:	10.0.15063.0

^✻ Portions of file data provided by Exiftool (Phil Harvey) distributed under the Perl Artistic License.

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What are MrmCoreR.dll Error Messages?

Dynamic Link Library MrmCoreR.dll Errors

MrmCoreR.dll is considered a type of Dynamic Link Library (DLL) file. Dynamic Link Library files, like MrmCoreR.dll, are essentially a "guide book" that stores information and instructions for executable (EXE) files - like sapisvr.exe - to follow. These files were created so that multiple programs (eg. Windows) could share the same MrmCoreR.dll file, saving valuable memory allocation, therefore making your computer run more efficiently.

Unfortunately, what makes DLL files so convenient and efficient, also makes them extremely vulnerable to problems. If something happens to a shared DLL file, either it goes missing or gets corrupted in some way, it can generate a "runtime" error message. Runtime is pretty self-explanatory; it means that these errors are triggered when MrmCoreR.dll is attempted to be loaded either when Windows is starting up, or in some cases already running. Some of the most common MrmCoreR.dll errors include:

Access Violation at address - MrmCoreR.dll.
MrmCoreR.dll could not be found.
Cannot find C:\Windows\System32\MrmCoreR.dll.
Cannot register MrmCoreR.dll.
Cannot start Windows. A required component is missing: MrmCoreR.dll. Please install Windows again.
Failed to load MrmCoreR.dll.
The application has failed to start because MrmCoreR.dll was not found.
The file MrmCoreR.dll is missing or corrupt.
This application failed to start because MrmCoreR.dll was not found. Re-installing the application may fix this problem.

Your MrmCoreR.dll file could be missing due to accidental deletion, uninstalled as a shared file of another program (shared with Windows), or deleted by a malware infection. Furthermore, MrmCoreR.dll file corruption could be caused from a power outage when loading Windows, system crash while loading MrmCoreR.dll, bad sectors on your storage media (usually your primary hard drive), or quite commonly, a malware infection. Thus, it's critical to make sure your anti-virus is kept up-to-date and scanning regularly.

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How to Fix MrmCoreR.dll Errors in 3 Steps (Time to complete: ~5-15 minutes)

If you're encountering one of the error messages above, follow these troubleshooting steps to resolve your MrmCoreR.dll issue. These troubleshooting steps are listed in the recommended order of execution.

Step 1: Restore your PC back to the latest restore point, "snapshot", or backup image before error occurred.

To begin System Restore (Windows XP, Vista, 7, 8, and 10):

Hit the Windows Start button
When you see the search box, type "System Restore" and press "ENTER".
In the search results, find and click System Restore.
Please enter the administrator password (if applicable / prompted).
Follow the steps in the System Restore Wizard to choose a relevant restore point.
Restore your computer to that backup image.

If the Step 1 fails to resolve the MrmCoreR.dll error, please proceed to the Step 2 below.

Step 2: Run SFC (System File Checker) to restore the corrupt or missing MrmCoreR.dll file.

System File Checker is a utility included with every Windows version that allows you scan and restore corrupted system files. Use the SFC tool to fix missing or corrupt MrmCoreR.dll files (Windows XP, Vista, 7, 8, and 10):

Hit the Windows Start button
In the search box, type "cmd" but DO NOT PRESS "ENTER".
Press and hold "CTRL-Shift" on your keyboard while pressing "ENTER".
You'll be prompted with a permission dialog box.
In the box, click "YES".
You should have a black screen with a blinking cursor.
In that black screen, type "sfc /scannow" and hit "ENTER".
SFC will begin scanning for MrmCoreR.dll issues and any other system file problems.
Follow any on-screen commands to complete the process.

Please be aware that this scan might take a while, so please be patient while it is working.

If this Step 2 fails as well, please proceed to the Step 3 below.

sfc /scannow

Step 3: Perform a Windows Update.

When the first two steps haven't solved your issue, it might be a good idea to run Windows Update. Many MrmCoreR.dll error messages that are encountered can be contributed to an outdated Windows Operating System. To run Windows Update, please follow these easy steps:

Hit the Windows Start button
In the search box, type "Update" and press "ENTER".
In the Windows Update dialog box, click "Check for Updates" (or similar button depending on your Windows version)
If updates are available for download, click "Install Updates".
After the update is completed, restart your PC.

If Windows Update failed to resolve the MrmCoreR.dll error message, please proceed to next step. Please note that this final step is recommended for advanced PC users only.

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If Those Steps Fail: Download and Replace Your MrmCoreR.dll File (Caution: Advanced)

If none of the previous three troubleshooting steps have resolved your issue, you can try a more aggressive approach (Note: Not recommended for amateur PC users) by downloading and replacing your appropriate MrmCoreR.dll file version. We maintain a comprehensive database of 100% malware-free MrmCoreR.dll files for every applicable version of Windows. Please follow the steps below to download and properly replace you file:

Locate your Windows operating system version in the list of below "Download MrmCoreR.dll Files".
Click the appropriate "Download Now" button and download your Windows file version.
Copy the file into the appropriate directory for your Windows version:

Windows 8: C:\Windows\System32\
Windows 8.1: C:\Windows\System32\
Windows 10: C:\Windows\System32\

Restart your computer.

If this final step has failed and you're still encountering the error, you're only remaining option is to do a clean installation of Windows 10.

GEEK TIP : We must emphasize that reinstalling Windows will be a very time-consuming and advanced task to resolve MrmCoreR.dll problems. To avoid data loss, you must be sure that you have backed-up all of your important documents, pictures, software installers, and other personal data before beginning the process. If you are not currently backing up your data, you need to do so immediately.

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Download MrmCoreR.dll Files (Malware-Tested 100% Clean)

CAUTION : We strongly advise against downloading and copying MrmCoreR.dll to your appropriate Windows system directory. Microsoft typically does not release Windows DLL files for download because they are bundled together inside of a software installer. The installer's task is to ensure that all correct verifications have been made before installing and placing MrmCoreR.dll and all other DLL files for Windows. An incorrectly installed DLL file may create system instability and could cause your program or operating system to stop functioning altogether. Proceed with caution.

Windows 10

File Name

Software Version

File Version

Architecture

MrmCoreR.dll

10.0.15063.0

10.0.15063.0 (WinBuild.160101.0800)

64-bit (x64)

Expand for Detailed File Information +

OS Version:	Windows 10
Software:	Microsoft® Windows® Operating System
Software Version:	10.0.15063.0
File Version:	10.0.15063.0 (WinBuild.160101.0800)
File Size:	865232
File Date:	03/18/2017
MD5 Checksum:	345f466190322d9f26eb81a9d3551f61
SHA1 Checksum:	d23996de8fdd08175716617be8e6ee3aa14637d8
SHA256 Checksum:	46305adbb78f09951583b9dcde1d85f80827252fe935941ffb9b9fa9ec9263cd
CRC32:
File Directory Location:	C:\Windows\System32\

File Version, System, and Machine Information
File Type:	Win32 DLL
Image Version:	10.0
Initialized Data Size:	92672
Linker Version:	14.10
Machine Type:	Intel 386 or later, and compatibles
PE Type:	PE32
Subsystem:	Windows command line
Subsystem Version:	10.0
File Modification Date/Time:	03/18/2017

Windows 8.1

File Name

Software Version

File Version

Architecture

MrmCoreR.dll

6.3.9600.17416

6.3.9600.17416 (winblue_r4.141030-1500)

64-bit (x64)

Expand for Detailed File Information +

OS Version:	Windows 8.1
Software:	Microsoft® Windows® Operating System
Software Version:	6.3.9600.17416
File Version:	6.3.9600.17416 (winblue_r4.141030-1500)
File Size:	790528
File Date:	11/21/2014
MD5 Checksum:	c32e6b675babd12ea69eebdf83d858a2
SHA1 Checksum:	e36f640fa00d409f1105288b5b1f50b72efdc88a
SHA256 Checksum:	5c28aeaa55484bb7f065de103b3ce7c4195db5e2262134b895780759d4825002
CRC32:
File Directory Location:	C:\Windows\System32\

File Version, System, and Machine Information
File Type:	Win32 DLL
Image Version:	6.3
Initialized Data Size:	80896
Linker Version:	11.0
Machine Type:	Intel 386 or later, and compatibles
PE Type:	PE32
Subsystem:	Windows command line
Subsystem Version:	6.3
File Modification Date/Time:	11/21/2014

Windows 8

File Name

Software Version

File Version

Architecture

MrmCoreR.dll

6.2.9200.16384

6.2.9200.16384 (win8_rtm.120725-1247)

64-bit (x64)

Expand for Detailed File Information +

OS Version:	Windows 8
Software:	Microsoft® Windows® Operating System
Software Version:	6.2.9200.16384
File Version:	6.2.9200.16384 (win8_rtm.120725-1247)
File Size:	413184
File Date:	07/26/2012
MD5 Checksum:	2473e6c54c80218f51e56fbf662b1b90
SHA1 Checksum:	3973540dceaa2539fd44a0a322ae1b3a6a2d5876
SHA256 Checksum:	cf9226c98422418647a41f6c3695616fe2e426aa894148e7ca3c7f72935320f0
CRC32:
File Directory Location:	C:\Windows\System32\

File Version, System, and Machine Information
File Type:	Win32 DLL
Image Version:	6.2
Initialized Data Size:	51200
Linker Version:	10.10
Machine Type:	Intel 386 or later, and compatibles
PE Type:	PE32
Subsystem:	Windows command line
Subsystem Version:	6.2
File Modification Date/Time:	07/26/2012

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Files Related to MrmCoreR.dll

DLL Files Related to MrmCoreR.dll

File Name	Description	Software Program (Version)	File Size (bytes)	File Location
api-ms-win-service-pri...	ApiSet Stub DLL	Microsoft® Windows® Operating System (10.0.15063.0)	11680	C:\Windows\System32\LogFiles\WMI\RtBackup\
WindowsInternal.Inbox....	WindowsInternal.Inbox Shared	Microsoft® Windows® Operating System (6.3.9600.17418)	1870336	C:\Windows\System32\en-US\
sapi.dll	Speech API	Microsoft® Windows® Operating System (5.3.15125.00)	1247744	C:\Windows\Boot\EFI\nl-NL\
aecache.dll	AECache Sysprep Plugin	Microsoft® Windows® Operating System (6.1.7600.16385)	8704	C:\Windows\System32\Sysprep\Panther\
HalExtIntcLpioDMA.dll	HAL Extension for Intel(R) Low Power Subsystem DMA Controller	Microsoft® Windows® Operating System (6.2.9200.16384)	16792	C:\Windows\System32\LogFiles\WMI\RtBackup\

Other Files Related to MrmCoreR.dll

File Name	Description	Software Program (Version)	File Size (bytes)	File Location
WLAN_profile_v1.xsd	XML Schema Definition	Windows 8.1	16142	C:\Windows\L2Schemas\
WLAN_policy_v1.xsd	XML Schema Definition	Windows 10	7627	C:\Windows\L2Schemas\
LAN_profile_v1.xsd	XML Schema Definition	Windows 8.1	2241	C:\Windows\L2Schemas\
LAN_policy_v1.xsd	XML Schema Definition	Windows XP	2687	C:\Windows\L2Schemas\
p2057.ngr	NEPLAN Graphic Data	Windows 7	3188068	C:\Windows\Speech\Engines\SR\en-GB\

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