Sony Mobile Communications Sony PC Companion DLL SonyEricssonMTPExt.dll

Download SonyEricssonMTPExt.dll and Fix DLL Errors

Last Updated: 11/25/2023
[Time to Read Article: 5 minutes]

SonyEricssonMTPExt.dll uses the DLL file extension, which is more specifically known as a Sony Ericsson MTP Extension Library file. It is classified as a Win32 DLL (Dynamic link library) file, created for PC Companion by Sony Mobile Communications.

The first version of SonyEricssonMTPExt.dll for Sony PC Companion 2.10.259 was seen on 07/10/2015 in Windows 10. This file version is latest update offered from Sony Mobile Communications, according to our records.

Continue reading below to discover detailed file information, DLL file troubleshooting, and free downloads of several versions of SonyEricssonMTPExt.dll.

File Analysis Provided by Jason Geater (Author)


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File Overview


General Information ✻
File Name: SonyEricssonMTPExt.dll
File Extension: DLL file extension
Description: Sony Ericsson MTP Extension Library
Object File Type: Dynamic link library
File Operating System: Win32
MIME Type: application/octet-stream
User Popularity Rating:
 
Developer and Software Information
Software Developer: Avanquest Software
Software Program: PC Companion
Legal Copyright: Copyright © Avanquest Software
File Details
Character Set: Windows, Latin1
Language Code: English (U.S.)
File Flags: (none)
File Flags Mask: 0x003f
Entry Point: 0x194be
Code Size: 148992
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What are SonyEricssonMTPExt.dll Error Messages?


Dynamic Link Library SonyEricssonMTPExt.dll Errors

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

Your SonyEricssonMTPExt.dll file could be missing due to accidental deletion, uninstalled as a shared file of another program (shared with Sony PC Companion), or deleted by a malware infection. Furthermore, SonyEricssonMTPExt.dll file corruption could be caused from a power outage when loading Sony PC Companion, system crash while loading SonyEricssonMTPExt.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 SonyEricssonMTPExt.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 SonyEricssonMTPExt.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):

  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 SonyEricssonMTPExt.dll error, please proceed to the Step 2 below.

Step 2: If recently installed Sony PC Companion (or related software), uninstall then try reinstalling Sony PC Companion software.

You can uninstall Sony PC Companion software by following these instructions (Windows XP, Vista, 7, 8, and 10):

  1. Hit the Windows Start button
  2. In the search box, type "Uninstall" and press "ENTER".
  3. In the search results, find and click "Add or Remove Programs"
  4. Find the entry for Sony PC Companion 2.10.259 and click "Uninstall"
  5. Follow the prompts for uninstallation.

After the software has been fully uninstalled, restart your PC and reinstall Sony PC Companion software.

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

Sony PC Companion 2.10.259

Sony Mobile Communications

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 SonyEricssonMTPExt.dll 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 SonyEricssonMTPExt.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 SonyEricssonMTPExt.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 SonyEricssonMTPExt.dll file version. We maintain a comprehensive database of 100% malware-free SonyEricssonMTPExt.dll files for every applicable version of Sony PC Companion. 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 SonyEricssonMTPExt.dll Files".
  2. Click the appropriate "Download Now" button and download your Windows file version.
  3. Copy this file to the appropriate Sony PC Companion folder location:
    Windows 10: C:\Program Files (x86)\Sony\Sony PC Companion\
  4. 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 SonyEricssonMTPExt.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 SonyEricssonMTPExt.dll Files (Malware-Tested 100% Clean)


CAUTION : We strongly advise against downloading and copying SonyEricssonMTPExt.dll to your appropriate Windows system directory. Sony Mobile Communications typically does not release Sony PC Companion 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 SonyEricssonMTPExt.dll and all other DLL files for Sony PC Companion. 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
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Files Related to SonyEricssonMTPExt.dll


DLL Files Related to SonyEricssonMTPExt.dll

File Name Description Software Program (Version) File Size (bytes) File Location
FileSyncClient.dll Microsoft OneDrive Client Microsoft OneDrive (19.192.0926.0012) 4253032 C:\Users\Tester\AppData\Local\Microsoft\Windows\
Qt5Qml.dll C++ Application Development Framework Qt5 (5.11.1.0) 2853736 C:\Users\Tester\AppData\Local\Microsoft\Windows\
Qt5QuickControls2.dll C++ Application Development Framework Qt5 (5.11.1.0) 153960 C:\Users\Tester\AppData\Local\Microsoft\Windows\
deviceupdate_dll.dll Dynamic Link Library Sony PC Companion 2.10.259 911360 C:\Windows\System32\DriverStore\FileRepository\...
ETWlog.dll ETW Session Library Microsoft OneDrive (19.192.0926.0012) 24424 C:\Users\Tester\AppData\Local\Microsoft\Windows\

Other Files Related to SonyEricssonMTPExt.dll

File Name Description Software Program (Version) File Size (bytes) File Location
CBS.log Log Sony Ericsson PC Suite 6.011 987676 C:\Windows\Logs\CBS\
setuperr.log Log Sony Ericsson PC Suite 6.011 23563 C:\Windows\Logs\DPX\
setupact.log Log Sony Ericsson PC Suite 6.011 23707 C:\Windows\System32\Sysprep\Panther\
setupapi.dev.log Log Sony Ericsson PC Suite 6.011 1026213 C:\Windows\inf\
WmiApRpl.ini Windows Initialization Sony PC Companion 2.10.259 29736 C:\Windows\inf\WmiApRpl\0009\


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