Troubleshoot GCDEF.dll.mui Issues (Free Download)

Last Updated: 12/03/2024
[Time Needed for Reading: ~4-6 minutes]

GCDEF.dll.mui is considered a type of Game Controllers Default Sheets file. It is most-commonly used in Microsoft® Windows® Operating System developed by Microsoft. It uses the MUI file extension and is considered a Win32 DLL (Dynamic link library) file.

GCDEF.dll.mui was first released for Windows Vista Operating System on 11/08/2006 with Windows Vista. The latest version update [v10.0.15063.0 (WinBuild.160101.0800)] for Windows was 10 released on 07/29/2015. GCDEF.dll.mui is bundled with the software package in Windows 10, Windows Vista, and Windows 8.1.

In this article, you will find detailed GCDEF.dll.mui information, a MUI file troubleshooting guide, and a list of versions that are available for free download.

File Analysis Provided by Jason Geater (Author)

File Overview

General Information ^✻
File Name:	GCDEF.dll.mui
File Extension:	MUI file extension
Description:	Game Controllers Default Sheets
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:	0x0000

View Other GCDEF.dll.mui Information

File Info	Description
File Size:	11 kB
File Modification Date/Time:	2017:03:18 04:56:52+00:00
File Inode Change Date/Time:	2017:11:05 07:07:54+00:00
File Type:	Win32 DLL
MIME Type:	application/octet-stream
Machine Type:	Intel 386 or later, and compatibles
Time Stamp:	0000:00:00 00:00:00
PE Type:	PE32
Linker Version:	14.10
Code Size:	0
Initialized Data Size:	10752
Uninitialized Data Size:	0
Entry Point:	0x0000
OS Version:	10.0
Image Version:	10.0
Subsystem Version:	6.0
Subsystem:	Windows GUI
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:	Game Controllers Default Sheets
File Version:	10.0.15063.0 (WinBuild.160101.0800)
Internal Name:	GCDEF.DLL
Legal Copyright:	© Microsoft Corporation. All rights reserved.
Original Filename:	GCDEF.DLL.MUI
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 GCDEF.dll.mui Error Messages?

Dynamic Link Library GCDEF.dll.mui Errors

GCDEF.dll.mui is considered a type of Dynamic Link Library (DLL) file. Dynamic Link Library files, like GCDEF.dll.mui, are essentially a "guide book" that stores information and instructions for executable (EXE) files - like 3DViewer.ResourceResolver.exe - to follow. These files were created so that multiple programs (eg. Windows) could share the same GCDEF.dll.mui 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 MUI 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 GCDEF.dll.mui is attempted to be loaded either when Windows is starting up, or in some cases already running. Some of the most common GCDEF.dll.mui errors include:

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

Your GCDEF.dll.mui 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, GCDEF.dll.mui file corruption could be caused from a power outage when loading Windows, system crash while loading GCDEF.dll.mui, 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 GCDEF.dll.mui 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 GCDEF.dll.mui 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 GCDEF.dll.mui error, please proceed to the Step 2 below.

Step 2: Run SFC (System File Checker) to restore the corrupt or missing GCDEF.dll.mui 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 GCDEF.dll.mui 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 GCDEF.dll.mui 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 GCDEF.dll.mui 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 GCDEF.dll.mui 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 GCDEF.dll.mui 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 GCDEF.dll.mui file version. We maintain a comprehensive database of 100% malware-free GCDEF.dll.mui 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 GCDEF.dll.mui 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 Vista: C:\Windows\System32\en-US\
Windows Vista: C:\Windows\SysWOW64\en-US\
Windows 7: C:\Windows\SysWOW64\en-US\
Windows 7: C:\Windows\System32\en-US\
Windows 8: C:\Windows\System32\en-US\
Show 2 more directories +

Windows 8.1: C:\Windows\System32\en-US\
Windows 10: C:\Windows\System32\en-US\

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 GCDEF.dll.mui 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 GCDEF.dll.mui Files (Malware-Tested 100% Clean)

CAUTION : We strongly advise against downloading and copying GCDEF.dll.mui to your appropriate Windows system directory. Microsoft typically does not release Windows MUI 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 GCDEF.dll.mui and all other MUI files for Windows. An incorrectly installed MUI 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

GCDEF.dll.mui

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:	11264
File Date:	03/18/2017
MD5 Checksum:	04c13fc36268eb9f2b0333c9079e1f3f
SHA1 Checksum:	03bb21f67ad54c0882442ebb83e532f1da0d2720
SHA256 Checksum:	4c6f9ca559859ea1594a9159a1f26fa88b491830fbd5a2b6a994679fc294cb1d
CRC32:
File Directory Location:	C:\Windows\System32\en-US\

File Version, System, and Machine Information
File Type:	Win32 DLL
Image Version:	10.0
Initialized Data Size:	10752
Linker Version:	14.10
Machine Type:	Intel 386 or later, and compatibles
PE Type:	PE32
Subsystem:	Windows GUI
Subsystem Version:	6.0
File Modification Date/Time:	03/18/2017

Windows Vista

File Name

Software Version

File Version

Architecture

GCDEF.dll.mui

6.0.6000.16386

6.0.6000.16386 (vista_rtm.061101-2205)

32-bit (x32)

Expand for Detailed File Information +

OS Version:	Windows Vista
Software:	Microsoft® Windows® Operating System
Software Version:	6.0.6000.16386
File Version:	6.0.6000.16386 (vista_rtm.061101-2205)
File Size:	10752
File Date:	11/02/2006
MD5 Checksum:	8a5e54aa8c7ee7aa9fce0aa272c04bdf
SHA1 Checksum:	e4f66e96febe2a46bcc5124a837e1a93e6eed411
SHA256 Checksum:	eae172e3c99d3de2ad14d0875d4785ecfaa6b877310cc31e588fc3cd555e2dfc
CRC32:
File Directory Location:	C:\Windows\System32\en-US\

File Version, System, and Machine Information
File Type:	Win64 DLL
Image Version:	6.0
Initialized Data Size:	10240
Linker Version:	8.0
Machine Type:	AMD AMD64
PE Type:	PE32+
Subsystem:	Windows GUI
Subsystem Version:	5.2
File Modification Date/Time:	11/02/2006

GCDEF.dll.mui

32-bit (x32)

Expand for Detailed File Information +

OS Version:	Windows Vista
File Size:	11264
MD5 Checksum:	4107e1f560c956bcd8b3d9a648f4e1c2
SHA1 Checksum:	89707c107723b56365a93a77f38eb5936a38241d
SHA256 Checksum:	19fa3fa5d732ef9e8dd5b1eb57500f53752c611f23882049e83a9f38ccc409c3
CRC32:
File Directory Location:	C:\Windows\SysWOW64\en-US\

File Version, System, and Machine Information
There is no information available.

Windows 8.1

File Name

Software Version

File Version

Architecture

GCDEF.dll.mui

6.3.9600.16384

6.3.9600.16384 (winblue_rtm.130821-1623)

64-bit (x64)

Expand for Detailed File Information +

OS Version:	Windows 8.1
Software:	Microsoft® Windows® Operating System
Software Version:	6.3.9600.16384
File Version:	6.3.9600.16384 (winblue_rtm.130821-1623)
File Size:	10752
File Date:	11/21/2014
MD5 Checksum:	b1f26df217e78888962a60d2462138ee
SHA1 Checksum:	4144777910beb0a97729391a08e166af526882d9
SHA256 Checksum:	f2fa9e8d7cadb169c1c3861387a8089fb3d4c1c515f8d65424f9443297a5c23b
CRC32:
File Directory Location:	C:\Windows\System32\en-US\

File Version, System, and Machine Information
File Type:	Win32 DLL
Image Version:	6.3
Initialized Data Size:	10240
Linker Version:	11.0
Machine Type:	Intel 386 or later, and compatibles
PE Type:	PE32
Subsystem:	Windows GUI
Subsystem Version:	6.0
File Modification Date/Time:	11/21/2014

Windows 8

File Name

Software Version

File Version

Architecture

GCDEF.dll.mui

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:	10752
File Date:	07/26/2012
MD5 Checksum:	a36763a715dd580b5616a741f12c0d7a
SHA1 Checksum:	0d29a11dd51c91d7617fdf966de866e6d7454b8e
SHA256 Checksum:	e37d2f78bfef08dde70a53925d32c0b8d0c7e84d344b926786e09b7d829c6bbb
CRC32:
File Directory Location:	C:\Windows\System32\en-US\

File Version, System, and Machine Information
File Type:	Win32 DLL
Image Version:	6.2
Initialized Data Size:	10240
Linker Version:	10.10
Machine Type:	Intel 386 or later, and compatibles
PE Type:	PE32
Subsystem:	Windows GUI
Subsystem Version:	5.1
File Modification Date/Time:	07/26/2012

Windows 7

File Name

Software Version

File Version

Architecture

GCDEF.dll.mui

64-bit (x64)

Expand for Detailed File Information +

OS Version:	Windows 7
File Size:	10752
MD5 Checksum:	faa16eee16bffa610359240bb6016b18
SHA1 Checksum:	b4e7a096c228b78ace9dc0d61c80454fdb78dd97
SHA256 Checksum:	997295fd530df8e0a9d763ef298a4f278148d7fb6db82a81d638886bc21968f1
CRC32:
File Directory Location:	C:\Windows\SysWOW64\en-US\

File Version, System, and Machine Information
There is no information available.

GCDEF.dll.mui

6.1.7600.16385

6.1.7600.16385 (win7_rtm.090713-1255)

64-bit (x64)

Expand for Detailed File Information +

OS Version:	Windows 7
Software:	Microsoft® Windows® Operating System
Software Version:	6.1.7600.16385
File Version:	6.1.7600.16385 (win7_rtm.090713-1255)
File Size:	10752
File Date:	04/12/2011
MD5 Checksum:	aa9471e79e19e6aa538a7d0d531b9f00
SHA1 Checksum:	8bc0c8ce798a52e49002da0a72fbe9ed2350885a
SHA256 Checksum:	e47d5df30227aa74b331da6898204e6abfb1a2c88ac1db06eb83c6a21c8fd4b9
CRC32:
File Directory Location:	C:\Windows\System32\en-US\

File Version, System, and Machine Information
File Type:	Win64 DLL
Image Version:	6.1
Initialized Data Size:	10240
Linker Version:	9.0
Machine Type:	AMD AMD64
PE Type:	PE32+
Subsystem:	Windows GUI
Subsystem Version:	5.2
File Modification Date/Time:	04/12/2011

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Files Related to GCDEF.dll.mui

MUI Files Related to GCDEF.dll.mui

File Name	Description	Software Program (Version)	File Size (bytes)	File Location
pcwutl.dll.mui	Program Compatibility Troubleshooter Helper	Microsoft® Windows® Operating System (10.0.15063.0)	3072	C:\Windows\Panther\UnattendGC\
MultiDigiMon.exe.mui	Digitizer to Monitor Mapping Tool	Microsoft® Windows® Operating System (10.0.15063.0)	3584	C:\WINDOWS\Tasks\
rdpdr.sys.mui	Microsoft RDP Device redirector	Microsoft® Windows® Operating System (10.0.15063.0)	3072	C:\Windows\System32\LogFiles\WMI\RtBackup\
setx.exe.mui	Setx - Sets environment variables	Microsoft® Windows® Operating System (6.2.9200.16384)	20480	C:\Windows\System32\Sysprep\Panther\
imapi.dll.mui	Image Mastering API	Microsoft® Windows® Operating System (6.1.7600.16385)	2560	C:\Windows\System32\Sysprep\Panther\

Other Files Related to GCDEF.dll.mui

File Name	Description	Software Program (Version)	File Size (bytes)	File Location
OneX_v1.xsd	XML Schema Definition	Windows 8	5957	C:\Windows\L2Schemas\
WWAN_profile_v1.xsd	XML Schema Definition	Windows 8.1	6201	C:\Windows\L2Schemas\
WLAN_profile_v1.xsd	XML Schema Definition	Windows 8	15591	C:\Windows\L2Schemas\
LAN_profile_v1.xsd	XML Schema Definition	Windows 10	2241	C:\Windows\L2Schemas\
LAN_policy_v1.xsd	XML Schema Definition	Windows 8.1	3472	C:\Windows\L2Schemas\

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