What Is VSTOInstaller.exe? Safe Startup Process or Virus? Fix & Removal

Visual Studio Tools for the Office system 3.0 Runtime

What is VSTOInstaller.exe? Is it Safe or a Virus?

The VSTOInstaller.exe is an executable file associated with the Visual Studio Tools for the Office system 3.0 Runtime. It is developed by Microsoft Corporation and has a file size of 4.83 MB. The installation folder is located at C:\Program Files\Common Files\Microsoft Shared\VSTO\9.0\ and the uninstaller is located at C:\Program Files\Common Files\Microsoft Shared\VSTO\9.0\Visual Studio Tools for the Office system 3.0 Runtime\install.exe. The MD5 checksum for the file is 132c4bfab6369696b2c9573e08b2f739. The executable is used for installing and managing VSTO add-ins for Microsoft Office applications. It has a high user rating and is developed by Microsoft.

ExecutableVSTOInstaller.exe
Parent ProgramVisual Studio Tools for the Office system 3.0 Runtime
DeveloperMicrosoft Corporation
URL
Help Filego.microsoft.com/fwlink/?LinkId=96782
Installation FolderC:\Program Files\Common Files\Microsoft Shared\VSTO\9.0\
UninstallerC:\Program Files\Common Files\Microsoft Shared\VSTO\9.0\Visual Studio Tools for the Office system 3.0 Runtime\install.exe
Installation PathC:\Program Files\Common Files\Microsoft Shared\VSTO\9.0\VSTOInstaller.exe
Size4.83 MB
MD5132c4bfab6369696b2c9573e08b2f739
Language

Scan For Visual Studio Tools for the Office system 3.0 Runtime Related Issues

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4.83 MB

Estimated Size

Microsoft Corporation

Developer

Excellent

Rating

What Is VSTOInstaller.exe?

The VSTOInstaller.exe is an executable file used for installing Visual Studio Tools for the Office system 3.0 Runtime. It is developed by Microsoft Corporation and has a size of 4.83 MB. The installation folder is located at C:\Program Files\Common Files\Microsoft Shared\VSTO\9.0\.

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Is VSTOInstaller.exe Safe?

Based on the information provided, it can be concluded that VSTOInstaller.exe is likely safe as only 3% of users remove it and it receives an excellent rating from its users.

To ensure the safety of a file, named “VSTOInstaller.exe” in this context, follow these comprehensive steps:

  1. Antivirus Scanning: Use a reputable antivirus or anti-malware software to scan “VSTOInstaller.exe”. Consider scanning with multiple tools for a thorough check.
  2. Check File Source: Ensure the file was downloaded from a reputable website or the official software site. Be cautious with files received through emails or from unsecured websites.
  3. File Analysis Tools: Utilize online services like VirusTotal to analyze the file. These services use various antivirus tools to detect potential threats.
  4. Run A Scan With Fortect: Download and run a scan with the tool linked below.

Can You Delete or Remove VSTOInstaller.exe?

Avoid removing safe executable files, as doing so may disrupt related applications. Consistently updating your software can prevent issues with file corruption. Make it a habit to check for updates to drivers and software regularly.

To verify the security of questionable files, employ a system diagnostic tool such as the one listed below. These tools can eradicate malware if deemed dangerous. In cases where the VSTOInstaller.exe file is safe but needs deletion, utilize its uninstaller C:\Program Files\Common Files\Microsoft Shared\VSTO\9.0\Visual Studio Tools for the Office system 3.0 Runtime\install.exe, or use the ‘Uninstall a Program’ feature found in the Windows Control Panel.

This guide provides step-by-step instructions on how to remove a program Visual Studio Tools for the Office system 3.0 Runtime in Windows 8, 10, and 11.

Windows 8

  1. Access Control Panel: Right-click on the bottom left corner of the screen and select “Control Panel” from the menu.
  2. Open Programs and Features: Click on “Programs” and then “Programs and Features.”
  3. Uninstall the Program:
    1. Find “Visual Studio Tools for the Office system 3.0 Runtime” in the list.
    2. Click on it to highlight, and then click on “Uninstall” at the top of the list.
    3. Follow the on-screen instructions to complete the uninstallation process.

Windows 10

  1. Open Settings: Click on the Start Menu and then the gear icon to open Settings.
  2. Go to Apps: Click on “Apps.”
  3. Uninstall the Program:
    1. Scroll down to find “Visual Studio Tools for the Office system 3.0 Runtime” in the list of installed apps.
    2. Click on it and then select “Uninstall.”
    3. Confirm by clicking “Uninstall” again in the pop-up window.

Windows 11

  1. Access Settings: Right-click on the Start button and select “Settings.”
  2. Navigate to Apps: In the Settings window, click on “Apps” and then “Apps & features.”
  3. Remove the Program:
    1. Locate “Visual Studio Tools for the Office system 3.0 Runtime” in the list of apps.
    2. Click on the three dots (ellipsis) next to the program name.
    3. Select “Uninstall” and follow the on-screen instructions to complete the process.

Note: The steps may vary slightly based on the specific version and updates of Windows.

Scan For Visual Studio Tools for the Office system 3.0 Runtime Related Issues

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Common VSTOInstaller.exe Errors

Here are some common ways that a VSTOInstaller.exe related error may appear:

  • VSTOInstaller.exe Program Error
  • VSTOInstaller.exe is not a valid Win32 application
  • VSTOInstaller.exe has encountered a problem and needs to close. We are sorry for the inconvenience
  • Cannot find VSTOInstaller.exe
  • VSTOInstaller.exe not found
  • Error starting program: VSTOInstaller.exe
  • VSTOInstaller.exe is not running
  • VSTOInstaller.exe has stopped working
  • Faulting Application Path: VSTOInstaller.exe

Common ways that these errors can occur:

  • Registry entry for VSTOInstaller.exe is damaged or incorrect.
  • Infection by a virus or malware leading to corruption of the VSTOInstaller.exe file or associated Visual Studio Tools for the Office system 3.0 Runtime software files.
  • Deletion of files related to VSTOInstaller.exe due to malicious software or accidental action.
  • Software conflicts involving Visual Studio Tools for the Office system 3.0 Runtime, VSTOInstaller.exe, or their shared components.
  • Faulty installation or download of the Visual Studio Tools for the Office system 3.0 Runtime software VSTOInstaller.exe.

Download or Reinstall VSTOInstaller.exe

Downloading substitute exe files from external download websites is discouraged, as they could be infected with viruses or other harmful software. Should you require a new copy or reinstallation of VSTOInstaller.exe, it is advisable to reinstall its primary associated software, Visual Studio Tools for the Office system 3.0 Runtime, to ensure safety and authenticity.

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