How to Fix Vsmso.olb Problems and Download Updates

Last Updated: 11/25/2023
[Time to Read: ~3-5 minutes]

vsmso.olb uses the OLB file extension, which is more specifically known as a Visual Studio Command Bar 8.0 Extensibility file. It is classified as a Win32 DLL (Dynamic link library) file, created for Microsoft® Visual Studio® 2005 by Microsoft.

The initial introduction of vsmso.olb released in Office 2007 was for Windows Vista on 01/30/2007. The newest file release date for Microsoft Office Basic 2007 11 was 07/28/2009 [version 8.0.50727.42 (RTM.050727-4200)]. vsmso.olb is found in Microsoft Office Basic 2007 11 and Microsoft Office Outlook 2007 12.

Please see below for more detailed information, OLB file troubleshooting instructions, and free downloads of different versions of vsmso.olb.

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File Overview


General Information
File Name: vsmso.olb
File Extension: OLB file extension
Description: Visual Studio Command Bar 8.0 Extensibility
Object File Type: Dynamic link library
File Operating System: Win32
MIME Type: application/octet-stream
User Popularity Rating:
 
Developer and Software Information
Software Developer: Microsoft Corporation
Software Program: Microsoft® Visual Studio® 2005
Legal Copyright: © Microsoft Corporation. All rights reserved.
File Details
Character Set: Unicode
Language Code: English (U.S.)
File Flags: Pre-release, Private build
File Flags Mask: 0x003f
Entry Point: 0x108e
Code Size: 1536


What are vsmso.olb Error Messages?


Dynamic Link Library vsmso.olb Errors

vsmso.olb is considered a type of Dynamic Link Library (DLL) file. Dynamic Link Library files, like vsmso.olb, are essentially a "guide book" that stores information and instructions for executable (EXE) files - like wisptis.exe - to follow. These files were created so that multiple programs (eg. Microsoft Office Basic 2007) could share the same vsmso.olb 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 OLB 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 vsmso.olb is attempted to be loaded either when Microsoft Office Basic 2007 is starting up, or in some cases already running. Some of the most common vsmso.olb errors include:

Your vsmso.olb file could be missing due to accidental deletion, uninstalled as a shared file of another program (shared with Microsoft Office Basic 2007), or deleted by a malware infection. Furthermore, vsmso.olb file corruption could be caused from a power outage when loading Microsoft Office Basic 2007, system crash while loading vsmso.olb, 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 vsmso.olb 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 vsmso.olb 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 vsmso.olb error, please proceed to the Step 2 below.

Step 2: If recently installed Microsoft Office Basic 2007 (or related software), uninstall then try reinstalling Microsoft Office Basic 2007 software.

You can uninstall Microsoft Office Basic 2007 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 Basic 2007 11 and click "Uninstall"
  5. Follow the prompts for uninstallation.

After the software has been fully uninstalled, restart your PC and reinstall Microsoft Office Basic 2007 software.

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

Microsoft Office Basic 2007 11

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 vsmso.olb 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 vsmso.olb 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 vsmso.olb 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 vsmso.olb file version. We maintain a comprehensive database of 100% malware-free vsmso.olb files for every applicable version of Microsoft Office Basic 2007. 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 vsmso.olb Files".
  2. Click the appropriate "Download Now" button and download your Windows file version.
  3. Copy this file to the appropriate Microsoft Office Basic 2007 folder location:
    Windows Vista: C:\Program Files (x86)\Common Files\microsoft shared\MSEnv\
    Windows 10: C:\Program Files (x86)\Common Files\microsoft shared\MSEnv\
    Windows 10: C:\Program Files (x86)\Common Files\microsoft shared\MSEnv\
    Windows 10: C:\Program Files (x86)\Common Files\microsoft shared\MSEnv\
  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 vsmso.olb 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 vsmso.olb Files (Malware-Tested 100% Clean)


CAUTION : We strongly advise against downloading and copying vsmso.olb to your appropriate Windows system directory. Microsoft typically does not release Microsoft Office Basic 2007 OLB 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 vsmso.olb and all other OLB files for Microsoft Office Basic 2007. An incorrectly installed OLB file may create system instability and could cause your program or operating system to stop functioning altogether. Proceed with caution.

Windows 10
Windows Vista


Files Related to vsmso.olb


OLB Files Related to vsmso.olb

File Name Description Software Program (Version) File Size (bytes) File Location
MSOUTL.OLB Microsoft Office Outlook 2003 Type Library Microsoft Office Outlook (12.0.4518.1014) 397136 C:\Users\Tester\AppData\Local\Microsoft\OneDriv...
dte80.olb Microsoft Development Environment 8.0 Extensibility Microsoft® Visual Studio® 2005 (8.0.50727.42) 156672 C:\Users\Tester\AppData\Local\Microsoft\Windows...
VEN2232.OLB Visual Basic for Applications Object Library Microsoft Visual Basic for Applications (2.2) 37376 C:\Windows\System32\migration\
MSWORD.OLB Microsoft Office Word 2007 Microsoft Office system (12.0.6501.5000) 868712 C:\$WINDOWS.~BT\Sources\
vshelp80.olb Microsoft Visual Studio Help (8.0) Microsoft® Visual Studio® 2005 (8.0.50727.42) 10240 C:\Users\Tester\AppData\Local\Microsoft\Windows...

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WLAN_profile_v1.xsd XML Schema Definition Windows 10 18585 C:\Windows\L2Schemas\
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LAN_profile_v1.xsd XML Schema Definition Windows 7 2241 C:\Windows\L2Schemas\
L2057.ini Windows Initialization Windows 8.1 858 C:\Windows\Speech\Engines\SR\en-GB\


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