OISAPP.DLL Download and Repair: Troubleshooting DLL Errors

Last Updated: 05/05/2020
[Reading Time Required: 3.5 minutes]

OISAPP.DLL uses the DLL file extension, which is more specifically known as a Microsoft Office 2010 App file. It is classified as a Win64 DLL (Dynamic link library) file, created for Microsoft Office 2010 by Microsoft.

The first release in the Windows XP Operating System for OISAPP.DLL was on 08/19/2003 inside Office 2003. On 05/08/2011, version 14.0.4750.1000 was released for Microsoft Office Professional Plus 2010 (64-bit) 14.0.7015.1000. OISAPP.DLL is bundled with the software package in Windows 10, Windows 7, and Windows Vista.

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

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Compatible with Windows 10, 8, 7, Vista, XP and 2000

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File Overview


General Information
File Name: OISAPP.DLL
File Extension: DLL file extension
Description: Microsoft Office 2010 App
Object File Type: Dynamic link library
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: 0xbd820
Code Size: 944640


What are OISAPP.DLL Error Messages?


Dynamic Link Library OISAPP.DLL Errors

OISAPP.DLL is considered a type of Dynamic Link Library (DLL) file. Dynamic Link Library files, like OISAPP.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. Microsoft Office Professional Plus 2010 (64-bit)) could share the same OISAPP.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 OISAPP.DLL is attempted to be loaded either when Microsoft Office Professional Plus 2010 (64-bit) is starting up, or in some cases already running. Some of the most common OISAPP.DLL errors include:

Your OISAPP.DLL file could be missing due to accidental deletion, uninstalled as a shared file of another program (shared with Microsoft Office Professional Plus 2010 (64-bit)), or deleted by a malware infection. Furthermore, OISAPP.DLL file corruption could be caused from a power outage when loading Microsoft Office Professional Plus 2010 (64-bit), system crash while loading OISAPP.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 OISAPP.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 OISAPP.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 OISAPP.DLL error, please proceed to the Step 2 below.

Step 2: If recently installed Microsoft Office Professional Plus 2010 (64-bit) (or related software), uninstall then try reinstalling Microsoft Office Professional Plus 2010 (64-bit) software.

You can uninstall Microsoft Office Professional Plus 2010 (64-bit) 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 Microsoft Office Professional Plus 2010 (64-bit) 14.0.7015.1000 and click "Uninstall"
  5. Follow the prompts for uninstallation.

After the software has been fully uninstalled, restart your PC and reinstall Microsoft Office Professional Plus 2010 (64-bit) software.

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

Microsoft Office Professional Plus 2010 (64-bit) 14.0.7015.1000

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 OISAPP.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 OISAPP.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 OISAPP.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 OISAPP.DLL file version. We maintain a comprehensive database of 100% malware-free OISAPP.DLL files for every applicable version of Microsoft Office Professional Plus 2010 (64-bit). 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 OISAPP.DLL Files".
  2. Click the appropriate "Download Now" button and download your Windows file version.
  3. Copy this file to the appropriate Microsoft Office Professional Plus 2010 (64-bit) folder location:
    Windows 10: C:\Program Files\Microsoft Office\Office14\
    Windows 10: C:\Program Files (x86)\Microsoft Office\Office12\
    Windows 10: C:\Program Files\Microsoft Office\Office14\
    Windows 10: C:\Program Files\Microsoft Office\Office14\
    Windows 10: C:\Program Files (x86)\Microsoft Office\Office12\
    Show 11 more directories +
    Windows 10: C:\Program Files (x86)\Microsoft Office\Office14\
    Windows 10: C:\Program Files\Microsoft Office\Office14\
    Windows 10: C:\Program Files\Microsoft Office\Office14\
    Windows 10: C:\Program Files (x86)\Microsoft Office\Office14\
    Windows 10: C:\Program Files (x86)\Microsoft Office\Office14\
    Windows 10: C:\Program Files (x86)\Microsoft Office\Office12\
    Windows 10: C:\Program Files (x86)\Microsoft Office\Office12\
    Windows 10: C:\Program Files\Microsoft Office\Office14\
    Windows 7: C:\Program Files (x86)\Microsoft Office\Office14\
    Windows Vista: C:\Program Files (x86)\Microsoft Office\Office12\
    Windows XP: C:\Program Files\Microsoft Office\OFFICE11\
  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 OISAPP.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 OISAPP.DLL Files (Malware-Tested 100% Clean)


CAUTION : We strongly advise against downloading and copying OISAPP.DLL to your appropriate Windows system directory. Microsoft typically does not release Microsoft Office Professional Plus 2010 (64-bit) 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 OISAPP.DLL and all other DLL files for Microsoft Office Professional Plus 2010 (64-bit). 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 7
Windows Vista
Windows XP


Files Related to OISAPP.DLL


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autstbim.dll OneNote Automation Stub Microsoft OneNote (16.0.12325.20002) 31984 C:\Program Files\WindowsApps\Microsoft.Office.O...
Microsoft.Vbe.Interop.... Microsoft.Vbe.Interop.Forms Microsoft Office 2010 (14.0.4747.1000) 374640 C:\Windows\assembly\GAC_MSIL\Microsoft.Vbe.Inte...
ACERCLR.DLL Microsoft Access database engine Briefcase Reconciler Library Microsoft Office 2010 (14.0.4760.1000) 55232 C:\Program Files\Common Files\Microsoft Shared\...
SOCIALCONNECTOR.DLL Microsoft Outlook Social Connector Microsoft Outlook (14.0.4761.1000) 2508672 C:\Program Files\Microsoft Office\Office14\
MSGR3EN.DLL Microsoft English Natural Language Server Natural Language Components (3.1.13031) 5339136 C:\Program Files\Microsoft Office\Office14\PROO...

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