Rfxvmt.sys.mui: How to Fix, Download, and Update

Last Updated: 12/02/2023
[Time Required for Reading: 3.5 minutes]

The development of Microsoft® Windows® Operating System by Microsoft prompted the latest creation of rfxvmt.sys.mui. It is also known as a Microsoft RemoteFX VM Transport file (file extension MUI), which is classified as a type of Win32 DLL (Driver) file.

rfxvmt.sys.mui was first released for Windows 8 Operating System on 08/01/2012 with Windows 8. The most recent release for Windows 10 launched on 07/29/2015 [version 10.0.15063.0 (WinBuild.160101.0800) release]. rfxvmt.sys.mui is found in Windows 10, Windows 8.1, and Windows 8.

Below, you find comprehensive file information, instructions for simple MUI file troubleshooting, and list of free rfxvmt.sys.mui downloads for each available file version.

File Analysis Provided by Jason Geater (Author)


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File Overview


General Information
File Name: rfxvmt.sys.mui
File Extension: MUI file extension
Description: Microsoft RemoteFX VM Transport
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


What are rfxvmt.sys.mui Error Messages?


Dynamic Link Library rfxvmt.sys.mui Errors

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

Your rfxvmt.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, rfxvmt.sys.mui file corruption could be caused from a power outage when loading Windows, system crash while loading rfxvmt.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.



How to Fix rfxvmt.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 rfxvmt.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):

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

If the Step 1 fails to resolve the rfxvmt.sys.mui error, please proceed to the Step 2 below.

Step 2: Run SFC (System File Checker) to restore the corrupt or missing rfxvmt.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 rfxvmt.sys.mui files (Windows XP, Vista, 7, 8, and 10):

  1. Hit the Windows Start button
  2. In the search box, type "cmd" but DO NOT PRESS "ENTER".
  3. Press and hold "CTRL-Shift" on your keyboard while pressing "ENTER".
  4. You'll be prompted with a permission dialog box.
  5. In the box, click "YES".
  6. You should have a black screen with a blinking cursor.
  7. In that black screen, type "sfc /scannow" and hit "ENTER".
  8. SFC will begin scanning for rfxvmt.sys.mui issues and any other system file problems.
  9. 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 rfxvmt.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:

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

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



If Those Steps Fail: Download and Replace Your rfxvmt.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 rfxvmt.sys.mui file version. We maintain a comprehensive database of 100% malware-free rfxvmt.sys.mui files for every applicable version of Windows. Please follow the steps below to download and properly replace you file:

  1. Locate your Windows operating system version in the list of below "Download rfxvmt.sys.mui Files".
  2. Click the appropriate "Download Now" button and download your Windows file version.
  3. Copy the file into the appropriate directory for your Windows version:

  4. Windows 8: C:\Windows\System32\drivers\en-US\
    Windows 8.1: C:\Windows\System32\drivers\en-US\
    Windows 10: C:\Windows\System32\drivers\en-US\
  5. 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 rfxvmt.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.



Download rfxvmt.sys.mui Files (Malware-Tested 100% Clean)


CAUTION : We strongly advise against downloading and copying rfxvmt.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 rfxvmt.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 10
Windows 8.1
Windows 8


Files Related to rfxvmt.sys.mui


MUI Files Related to rfxvmt.sys.mui

File Name Description Software Program (Version) File Size (bytes) File Location
AxInstSv.dll.mui ActiveX Installer Service Microsoft® Windows® Operating System (6.1.7600.16385) 4096 C:\Windows\System32\Sysprep\Panther\
corrEngine.dll.mui Correlation Engine Microsoft® Windows® Operating System (10.0.15063.0) 2560 C:\Windows\Panther\UnattendGC\
LXCASRES.DLL.mui Lexmark Z11 Color Jetprinter Microsoft(R) Windows NT(R) Operating System (1, 0, 13, 0) 3584 C:\Users\Tester\AppData\Local\Microsoft\Interne...
tapiui.dll.mui Myriad User Instrument Windows Vista 57344 C:\Windows\System32\Sysprep\Panther\
xpsshhdr.dll.mui Myriad User Instrument Windows Vista 12288 C:\WINDOWS\Tasks\

Other Files Related to rfxvmt.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\
WWAN_profile_v1.xsd XML Schema Definition Windows 8 6201 C:\Windows\L2Schemas\
WLANAP_profile_v1.xsd XML Schema Definition Windows 10 7548 C:\Windows\L2Schemas\
WLAN_profile_v1.xsd XML Schema Definition Windows Vista 15591 C:\Windows\L2Schemas\
WLAN_profile_v1.xsd XML Schema Definition Windows 10 18585 C:\Windows\L2Schemas\


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