Troubleshooting ShellExtension.dll DLL Errors and Downloading Updates

Last Updated: 11/25/2023
[Average Read Time: 4.5 minutes]

ShellExtension.dll is considered a type of Shell Extension file. It is most-commonly used in Shared Library developed by Auslogics. It uses the DLL file extension and is considered a Win32 DLL (Dynamic link library) file.

The first version of ShellExtension.dll was released for the Windows 10 Operating System on 12/12/2017 inside Auslogics BoostSpeed 10. This file release marks the latest and most updated version from Auslogics.

In this short article, you will discover detailed file information, steps for troubleshooting DLL file problems with ShellExtension.dll, and list of free downloads for every version that exists in our comprehensive file directory.

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File Overview


General Information
File Name: ShellExtension.dll
File Extension: DLL file extension
Description: Shell Extension
Object File Type: Dynamic link library
Comments: Part of Ausl˜ogics Programs
File Operating System: Windows NT 32-bit
MIME Type: application/octet-stream
User Popularity Rating:
 
Developer and Software Information
Software Developer: Auslo˜gics
Software Program: Shared Library
Legal Copyright: Copyright © 2008-2019 A˜uslogics Labs Pty Ltd
File Details
Character Set: Windows, Latin1
Language Code: English (U.S.)
File Flags: (none)
File Flags Mask: 0x003f
Entry Point: 0x1d28c
Code Size: 112128


What are ShellExtension.dll Error Messages?


Dynamic Link Library ShellExtension.dll Errors

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

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



How to Fix ShellExtension.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 ShellExtension.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 ShellExtension.dll error, please proceed to the Step 2 below.

Step 2: If recently installed Auslogics BoostSpeed (or related software), uninstall then try reinstalling Auslogics BoostSpeed software.

You can uninstall Auslogics BoostSpeed 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 Auslogics BoostSpeed 10 and click "Uninstall"
  5. Follow the prompts for uninstallation.

After the software has been fully uninstalled, restart your PC and reinstall Auslogics BoostSpeed software.

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

Auslogics BoostSpeed 10

Auslogics

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



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


CAUTION : We strongly advise against downloading and copying ShellExtension.dll to your appropriate Windows system directory. Auslogics typically does not release Auslogics BoostSpeed 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 ShellExtension.dll and all other DLL files for Auslogics BoostSpeed. 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


Files Related to ShellExtension.dll


DLL Files Related to ShellExtension.dll

File Name Description Software Program (Version) File Size (bytes) File Location
Qt5Gui.dll C++ Application Development Framework Qt5 (5.11.1.0) 5192312 C:\Users\Tester\AppData\Local\Microsoft\Windows\
api-ms-win-core-sysinf... ApiSet Stub DLL Microsoft® Windows® Operating System (10.0.17134.12) 19064 C:\$WINDOWS.~BT\Sources\Boot\PXE\lv-LV\
InternetOptimizerHelpe... Internet Optimizer Library B˜oostSpeed (11.x) 478128 C:\Program Files\WindowsApps\Microsoft.DesktopA...
System.Management.ni.dll Dynamic Link Library Auslogics BoostSpeed 10 1059328 C:\Program Files (x86)\Common Files\microsoft s...
accessibility_sdk.dll accessibility_sdk accessibility_sdk (6.4.1.2) 1384880 C:\Program Files\WindowsApps\Deleted\Microsoft....

Other Files Related to ShellExtension.dll

File Name Description Software Program (Version) File Size (bytes) File Location
api-ms-win-core-heap-l... ApiSet Stub DLL Microsoft® Windows® Operating System (10.0.17134.12) 18248 C:\Users\Tester\AppData\Local\Microsoft\OneDriv...
api-ms-win-core-sysinf... ApiSet Stub DLL Microsoft® Windows® Operating System (10.0.17134.12) 19064 C:\Users\Tester\AppData\Local\Microsoft\OneDriv...
diagerr.xml Extensible Markup Language Auslogics BoostSpeed 10 44109 C:\Windows\Panther\UnattendGC\
PerfStringBackup.INI Windows Initialization Auslogics BoostSpeed 10 1321920 C:\Windows\System32\
api-ms-win-core-debug-... ApiSet Stub DLL Microsoft® Windows® Operating System (10.0.17134.12) 18040 C:\Users\Tester\AppData\Local\Microsoft\OneDriv...


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