How to Fix OSETUP.DLL DLL Issues and Download Updates

Last Updated: 10/14/2018
[Average Read Time: 4.5 minutes]

OSETUP.DLL, also known as a Office Setup Engine file, was created by Microsoft for the development of Microsoft Office 2010. DLL files fall under under the Win32 DLL (Executable application) file type category.

The first version of OSETUP.DLL for Office 2007 was seen on 01/30/2007 in Windows Vista. The latest version update [v14.0.4755.1000] for Office was 2010 released on 06/15/2010. OSETUP.DLL is packaged with Office 2010, Office 2013, and Office 2016.

Below, you find comprehensive file information, instructions for simple DLL file troubleshooting, and list of free OSETUP.DLL downloads for each available file version.


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File Overview


General Information
File Name: OSETUP.DLL
File Extension: DLL file extension
Description: Office Setup Engine
Object File Type: Executable application
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 Office 2010
Legal Copyright: © 2010 Microsoft Corporation. All rights reserved.
File Details
Character Set: Windows, Latin1
Language Code: Neutral
File Flags: (none)
File Flags Mask: 0x003f
Entry Point: 0x2f6ea6
Code Size: 3557376


What are OSETUP.DLL Error Messages?


Dynamic Link Library OSETUP.DLL Errors

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

Your OSETUP.DLL file could be missing due to accidental deletion, uninstalled as a shared file of another program (shared with Office), or deleted by a malware infection. Furthermore, OSETUP.DLL file corruption could be caused from a power outage when loading Office, system crash while loading OSETUP.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 OSETUP.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 OSETUP.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 OSETUP.DLL error, please proceed to the Step 2 below.

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

You can uninstall Office 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 Office 2010 and click "Uninstall"
  5. Follow the prompts for uninstallation.

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

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

Office 2010

Microsoft Corporation

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 OSETUP.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 OSETUP.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 OSETUP.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 OSETUP.DLL file version. We maintain a comprehensive database of 100% malware-free OSETUP.DLL files for every applicable version of Office. 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 OSETUP.DLL Files".
  2. Click the appropriate "Download Now" button and download your Windows file version.
  3. Copy this file to the appropriate Office folder location:
    Windows 10: C:\MSOCache\All Users\{91150000-0011-0000-0000-0000000FF1CE}-C\
    Windows 10: C:\Program Files\Common Files\microsoft shared\OFFICE15\Office Setup Controller\
    Windows 8: C:\MSOCache\All Users\{91150000-0011-0000-0000-0000000FF1CE}-C\
    Windows 8: C:\Program Files\Common Files\microsoft shared\OFFICE15\Office Setup Controller\
    Windows 7: C:\MSOCache\All Users\{91140000-0011-0000-0000-0000000FF1CE}-C\
    Show 3 more directories +
    Windows 7: C:\Program Files (x86)\Common Files\microsoft shared\OFFICE14\Office Setup Controller\
    Windows Vista: C:\MSOCache\All Users\{91120000-002E-0000-0000-0000000FF1CE}-C\
    Windows Vista: C:\Program Files (x86)\Common Files\microsoft shared\OFFICE12\Office Setup Controller\
  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 7.


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


CAUTION : We strongly advise against downloading and copying OSETUP.DLL to your appropriate Windows system directory. Microsoft typically does not release Office 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 OSETUP.DLL and all other DLL files for Office. 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
Windows 8
Windows 7
Windows Vista


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DLL Files Related to OSETUP.DLL

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ximage3b.dll Image Processing Module for the ScanSoft SDK ScanSoft API (15.0.4454.1000) 794760 C:\Program Files\Microsoft Office\Office15\
ONFILTER.DLL Microsoft OneNote Filter Microsoft OneNote (15.0.4569.1503) 1551032 C:\Program Files\Microsoft Office\Office15\
MDXQueryGenerator.DLL Dynamic Link Library Microsoft SQL Server (11.0.2809.92) 102080 C:\Program Files\Microsoft Office\Office15\ADDI...
Microsoft.ReportingSer... Dynamic Link Library Office 2013 52176 C:\Program Files\Microsoft Office\Office15\ADDI...
NPOFFICE.DLL Office Plugin for Netscape Navigator Microsoft Office 2003 (11.0.5510) 13888 C:\Program Files\Microsoft Office\OFFICE11\

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