Repair Ohci1394.sys.mui Issues (How to Download and Fix)

Last Updated: 12/09/2023
[Reading Time Required: 3.5 minutes]

ohci1394.sys.mui is considered a type of 1394 OpenHCI Port Driver file. It is most-commonly used in Microsoft® Windows® Operating System developed by Microsoft. It uses the MUI file extension and is considered a Win64 DLL (Driver) file.

The first release of ohci1394.sys.mui for the Windows Vista platform was on 11/08/2006 for Windows Vista. The latest file update released for Windows 7 was on 07/22/2009 [file version 6.1.7600.16385 (win7_rtm.090713-1255)].

This article discusses complete file details, MUI file troubleshooting instructions for problems with ohci1394.sys.mui, 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:	ohci1394.sys.mui
File Extension:	MUI file extension
Description:	1394 OpenHCI Port Driver
Object File Type:	Driver
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 ohci1394.sys.mui Information

File Info	Description
File Size:	12 kB
File Modification Date/Time:	2011:04:12 07:36:31+00:00
File Inode Change Date/Time:	2017:11:05 07:07:16+00:00
File Type:	Win64 DLL
MIME Type:	application/octet-stream
Machine Type:	AMD AMD64
Time Stamp:	2009:07:14 00:06:41+00:00
PE Type:	PE32+
Linker Version:	9.0
Code Size:	0
Initialized Data Size:	11264
Uninitialized Data Size:	0
Entry Point:	0x0000
OS Version:	6.1
Image Version:	6.1
Subsystem Version:	5.2
Subsystem:	Windows GUI
File Version Number:	6.1.7600.16385
Product Version Number:	6.1.7600.16385
File Flags Mask:	0x003f
File Flags:	(none)
File OS:	Windows NT 32-bit
Object File Type:	Driver
File Subtype:	7
Language Code:	English (U.S.)
Character Set:	Unicode
Company Name:	Microsoft Corporation
File Description:	1394 OpenHCI Port Driver
File Version:	6.1.7600.16385 (win7_rtm.090713-1255)
Internal Name:	ohci1394.sys
Legal Copyright:	© Microsoft Corporation. All rights reserved.
Original Filename:	ohci1394.sys.mui
Product Name:	Microsoft® Windows® Operating System
Product Version:	6.1.7600.16385

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

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What are ohci1394.sys.mui Error Messages?

Dynamic Link Library ohci1394.sys.mui Errors

ohci1394.sys.mui is considered a type of Dynamic Link Library (DLL) file. Dynamic Link Library files, like ohci1394.sys.mui, 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 ohci1394.sys.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 ohci1394.sys.mui is attempted to be loaded either when Windows is starting up, or in some cases already running. Some of the most common ohci1394.sys.mui errors include:

Access Violation at address - ohci1394.sys.mui.
ohci1394.sys.mui could not be found.
Cannot find C:\Windows\System32\drivers\en-US\ohci1394.sys.mui.
Cannot register ohci1394.sys.mui.
Cannot start Windows. A required component is missing: ohci1394.sys.mui. Please install Windows again.
Failed to load ohci1394.sys.mui.
The application has failed to start because ohci1394.sys.mui was not found.
The file ohci1394.sys.mui is missing or corrupt.
This application failed to start because ohci1394.sys.mui was not found. Re-installing the application may fix this problem.

Your ohci1394.sys.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, ohci1394.sys.mui file corruption could be caused from a power outage when loading Windows, system crash while loading ohci1394.sys.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 ohci1394.sys.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 ohci1394.sys.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 ohci1394.sys.mui error, please proceed to the Step 2 below.

Step 2: Run SFC (System File Checker) to restore the corrupt or missing ohci1394.sys.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 ohci1394.sys.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 ohci1394.sys.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 ohci1394.sys.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 ohci1394.sys.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 ohci1394.sys.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 ohci1394.sys.mui file version. We maintain a comprehensive database of 100% malware-free ohci1394.sys.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 ohci1394.sys.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\drivers\en-US\
Windows 7: C:\Windows\System32\drivers\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 7.

GEEK TIP : We must emphasize that reinstalling Windows will be a very time-consuming and advanced task to resolve ohci1394.sys.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 ohci1394.sys.mui Files (Malware-Tested 100% Clean)

CAUTION : We strongly advise against downloading and copying ohci1394.sys.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 ohci1394.sys.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 Vista

File Name

Software Version

File Version

Architecture

ohci1394.sys.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:	11776
File Date:	11/02/2006
MD5 Checksum:	303d52565b99e4f22e5fe4b7c6ab8ddd
SHA1 Checksum:	85e1fd1ca869b26dad047f8f1c912489a93c39ff
SHA256 Checksum:	820fc17c11cb2ebafed3552d1343b5314ed373c12758465470fd86ac2cc3284a
CRC32:
File Directory Location:	C:\Windows\System32\drivers\en-US\

File Version, System, and Machine Information
File Type:	Win64 DLL
Image Version:	6.0
Initialized Data Size:	11264
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

Windows 7

File Name

Software Version

File Version

Architecture

ohci1394.sys.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:	11776
File Date:	04/12/2011
MD5 Checksum:	fcf1928fc42f3ff495aabbf531925912
SHA1 Checksum:	1aa142911062fcca9556eb47ada5b8f188cb3ac8
SHA256 Checksum:	a3dbbdf3e8e96750d504b6fd364ed762be95d9b898d3ada547e0b63b54908966
CRC32:
File Directory Location:	C:\Windows\System32\drivers\en-US\

File Version, System, and Machine Information
File Type:	Win64 DLL
Image Version:	6.1
Initialized Data Size:	11264
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 ohci1394.sys.mui

MUI Files Related to ohci1394.sys.mui

File Name	Description	Software Program (Version)	File Size (bytes)	File Location
fhshl.dll.mui	File History Custom Shell Library	Microsoft® Windows® Operating System (10.0.15063.0)	2560	C:\Windows\assembly\GAC_MSIL\Microsoft.PowerShe...
comctl32.dll.mui	Myriad User Instrument	Windows 10	6144	C:\$WINDOWS.~BT\Sources\Boot\PXE\pl-PL\
hu-HU_BitLockerToGo.ex...	BitLocker To Go olvasó	Microsoft® Windows® operációs rendszer (10.0.15063.0)	9728	C:\Windows\Logs\CBS\
print.exe.mui	Print Utility	Microsoft® Windows® Operating System (6.0.6000.16386)	2048	C:\Windows\Panther\UnattendGC\
BRPTUI2.DLL.mui	UI Plug-In	BRPTUI (1.1)	9216	C:\Windows\System32\DriverStore\FileRepository\...

Other Files Related to ohci1394.sys.mui

File Name	Description	Software Program (Version)	File Size (bytes)	File Location
OneX_v1.xsd	XML Schema Definition	Windows Vista	5957	C:\Windows\L2Schemas\
WLAN_profile_v1.xsd	XML Schema Definition	Windows 7	15591	C:\Windows\L2Schemas\
WLAN_profile_v1.xsd	XML Schema Definition	Windows Vista	15591	C:\Windows\L2Schemas\
WLAN_profile_v1.xsd	XML Schema Definition	Windows XP	15263	C:\Windows\L2Schemas\
p2057.ngr	NEPLAN Graphic Data	Windows 8.1	3188068	C:\Windows\Speech\Engines\SR\en-GB\

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