How to Fix Issues with Vsprojhostproc.olb (Free Download)

Last Updated: 12/06/2023
[Time Needed for Reading: ~4-6 minutes]

Microsoft Visual Studio .NET Project Hosting Process files such as vsprojhostproc.olb utilize the OLB file extension. This file is considered a Win32 DLL (Dynamic link library) file, and was first created by Microsoft for the Microsoft® Visual Studio® 2010 software package.

The initial introduction of vsprojhostproc.olb released in Microsoft Visual Studio 2010 Ultimate 2010 was for Windows 10 on 04/12/2010. According to our records, this is the primary and most recent file release from Microsoft.

In this short article, you will discover detailed file information, steps for troubleshooting OLB file problems with vsprojhostproc.olb, 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: vsprojhostproc.olb
File Extension: OLB file extension
Description: Microsoft Visual Studio .NET Project Hosting Process
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® 2010
Legal Copyright: © Microsoft Corporation. All rights reserved.
File Details
Character Set: Unicode
Language Code: English (U.S.)
File Flags: (none)
File Flags Mask: 0x003f
Entry Point: 0x10a5
Code Size: 1536


What are vsprojhostproc.olb Error Messages?


Dynamic Link Library vsprojhostproc.olb Errors

vsprojhostproc.olb is considered a type of Dynamic Link Library (DLL) file. Dynamic Link Library files, like vsprojhostproc.olb, 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 Visual Studio 2010 Ultimate) could share the same vsprojhostproc.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 vsprojhostproc.olb is attempted to be loaded either when Microsoft Visual Studio 2010 Ultimate is starting up, or in some cases already running. Some of the most common vsprojhostproc.olb errors include:

Your vsprojhostproc.olb file could be missing due to accidental deletion, uninstalled as a shared file of another program (shared with Microsoft Visual Studio 2010 Ultimate), or deleted by a malware infection. Furthermore, vsprojhostproc.olb file corruption could be caused from a power outage when loading Microsoft Visual Studio 2010 Ultimate, system crash while loading vsprojhostproc.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 vsprojhostproc.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 vsprojhostproc.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 vsprojhostproc.olb error, please proceed to the Step 2 below.

Step 2: If recently installed Microsoft Visual Studio 2010 Ultimate (or related software), uninstall then try reinstalling Microsoft Visual Studio 2010 Ultimate software.

You can uninstall Microsoft Visual Studio 2010 Ultimate 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 Visual Studio 2010 Ultimate 2010 and click "Uninstall"
  5. Follow the prompts for uninstallation.

After the software has been fully uninstalled, restart your PC and reinstall Microsoft Visual Studio 2010 Ultimate software.

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

Microsoft Visual Studio 2010 Ultimate 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 vsprojhostproc.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 vsprojhostproc.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 vsprojhostproc.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 vsprojhostproc.olb file version. We maintain a comprehensive database of 100% malware-free vsprojhostproc.olb files for every applicable version of Microsoft Visual Studio 2010 Ultimate. 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 vsprojhostproc.olb Files".
  2. Click the appropriate "Download Now" button and download your Windows file version.
  3. Copy this file to the appropriate Microsoft Visual Studio 2010 Ultimate folder location:
    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 vsprojhostproc.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 vsprojhostproc.olb Files (Malware-Tested 100% Clean)


CAUTION : We strongly advise against downloading and copying vsprojhostproc.olb to your appropriate Windows system directory. Microsoft typically does not release Microsoft Visual Studio 2010 Ultimate 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 vsprojhostproc.olb and all other OLB files for Microsoft Visual Studio 2010 Ultimate. 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


Files Related to vsprojhostproc.olb


OLB Files Related to vsprojhostproc.olb

File Name Description Software Program (Version) File Size (bytes) File Location
vslangproj2.olb Microsoft Visual Studio .NET Project Model (7.1) Microsoft® Visual Studio® 2010 (10.0.30319.1) 11776 C:\Program Files\WindowsApps\Deleted\Microsoft....
vslangproj100.olb Microsoft Visual Studio Project Model (10.0) Microsoft® Visual Studio® 2010 (10.0.30319.1) 11264 C:\Program Files\WindowsApps\Microsoft.Microsof...
vslangproj.olb Microsoft Visual Studio .NET Project Model Microsoft® Visual Studio® 2010 (10.0.30319.1) 45568 C:\Users\Tester\AppData\Local\Microsoft\Windows...
VSEXT.OLB OLE Object Library Microsoft Visual Studio 2010 Ultimate 2010 1028 C:\Windows\System32\Sysprep\Panther\
vslangproj90.olb Microsoft Visual Studio Project Model (9.0) Microsoft® Visual Studio® 2010 (10.0.30319.1) 11776 C:\Program Files\WindowsApps\Deleted\Microsoft....

Other Files Related to vsprojhostproc.olb

File Name Description Software Program (Version) File Size (bytes) File Location
OneX_v1.xsd XML Schema Definition Windows Vista 5957 C:\Windows\L2Schemas\
WWAN_profile_v1.xsd XML Schema Definition Windows 7 6201 C:\Windows\L2Schemas\
WLANAP_profile_v1.xsd XML Schema Definition Windows 10 7548 C:\Windows\L2Schemas\
WLAN_profile_v1.xsd XML Schema Definition Windows 8 15591 C:\Windows\L2Schemas\
LAN_profile_v1.xsd XML Schema Definition Windows 7 2241 C:\Windows\L2Schemas\


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