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Fix VSTOInstallerUI.dll Errors

Sometimes Windows system displays error messages regarding corrupted or missing VSTOInstallerUI.dll files. Situations like that can occur, for example, during a software installation process. Each software program requires certain resources, libraries, and source data to work properly. Corrupted or nonexistent VSTOInstallerUI.dll file can therefore effect in failed execution of the started process.

VSTOInstallerUI.dll file Dynamic Link Library. The file was developed by Microsoft for use with Office software. Here you will find detailed information about the file and instructions how to proceed in the event of VSTOInstallerUI.dll related errors on your device. You can also download VSTOInstallerUI.dll file compatible with Windows 10, Windows 7, Windows 7 devices which will (most probably) allow you to solve the problem.

For Windows Compatible with: Windows 10, Windows 7, Windows 7
User popularity

Fix VSTOInstallerUI.dll errors

File info

General information
Filename VSTOInstallerUI.dll
File extension DLL
Type Dynamic Link Library
Description Dynamic Link Library
Software
Program Office 2010
Software Office
Author Microsoft
Software version 2010
Details
File size 10080
Oldest file 2017-05-10
Latest file 2017-05-10
VSTOInstallerUI.dll

There are various types of errors related to VSTOInstallerUI.dll file. VSTOInstallerUI.dll file may be located in wrong file directory on your device, may not be present in the system, or may be infected with malicious software and therefore not work correctly. Below is a list of most common error messages related to VSTOInstallerUI.dll file. If you encounter one listed below (or similar), please consider the following suggestions.

  • VSTOInstallerUI.dll is corrupted
  • VSTOInstallerUI.dll cannot be located
  • Runtime Error - VSTOInstallerUI.dll
  • VSTOInstallerUI.dll file error
  • VSTOInstallerUI.dll file cannot be loaded. Module was not found
  • cannot register VSTOInstallerUI.dll file:
  • VSTOInstallerUI.dll file could not be loaded
  • VSTOInstallerUI.dll file doesn't exist

VSTOInstallerUI.dll

Error

Application could not be started because VSTOInstallerUI.dll file is missing. Reinstall the application to solve the problem.

OK

Problems related to VSTOInstallerUI.dll can be addressed in various ways. Some methods are meant only for advanced users. If you don't have confidence in your skills, we suggest consulting a specialist. Fixing VSTOInstallerUI.dll file errors should be approached with utmost caution for any mistakes can result in unstable or unproperly working system. If you have the necassary skills, please proceed.

VSTOInstallerUI.dll file errors can be caused by various factors, so its is beneficial to try to fix them using various methods.

Step 1: Scan your computer for any malicious software

Virus Scan

Windows files are commonly attacked by malicious software that prevents them from working properly. First step in addressing problems with VSTOInstallerUI.dll file or any other Windows system files should be scanning the system for malicious software using an antivirus tool.

If by any chance you don't have any antivirus software installed on your system yet, you should do it immediately. Unprotected system is not only a source of file errors, but, more importantly, makes your system vulnerable to many dangers. If you don't know which antivirus tool to choose, consult this Wikipedia article – comparison of antivirus software.

Step 2: Update your system and drivers.

Windows Update

Installing relevant Microsoft Windows patches and updates may solve your problems related to VSTOInstallerUI.dll file. Use dedicated Windows tool to perform the update.

  1. Go to the Windows "Start" menu
  2. Type "Windows Update" in the search field
  3. Choose the appropriate software program (name may vary depending on your system version)
  4. Check if your system is up to date. If any unapplied updates are listed, install them immediately.
  5. After the update has been done,restart your computer in order to complete the process.

Beside updating the system, it is recommended that you install latest device drivers, as drivers can influence proper working of VSTOInstallerUI.dll or other system files. In order to do so, go to your computer or device producer's website where you will find information regarding latest driver updates.

Step 3: Use System File Checker (SFC) tool

System File Checker

System File Checker is a Microsoft Windows tool. As the name suggests, the tool is used for identyfing and addressing system file related errors, including those related to VSTOInstallerUI.dll file. After an error related to%fileextension% file has been discovered, the program attempts to automatically replace the VSTOInstallerUI.dll file with properly working version. To use the tool:

  1. Go to the Windows "Start" menu
  2. Type "cmd" in the search field
  3. Locate "Command Prompt" result – don't run it yet:
  4. Click the right mouse button and select "Run as Administrator" option
  5. Type "sfc /scannow" in console prompt to start the program and follow the instructions

Step 4: Restoring Windows system

Windows Recovery

Another approach is to restore system to previous state, before the VSTOInstallerUI.dll file error occured. In order to restore your system, follow the instructions below

  1. Go to the Windows "Start" menu
  2. Type "System Restore" in the search field
  3. Start the system restore tool – it's name may differ depending on version of the system
  4. The application will guide you through the process – read the messages carefully
  5. After the process has finished, restart your computer.

If all the above-mentioned methods failed and the VSTOInstallerUI.dll file problem has not been resolved, proceed to the next step. Remember that the following steps are intended only for advanced users.

Download and replace VSTOInstallerUI.dll file

The last solution is to manually download and replace VSTOInstallerUI.dll file in appropriate folder on the disk. Select file version compatible with your operating system and click the "Download" button. Next, go to your web browser's "Downloaded" folder and copy the downloaded VSTOInstallerUI.dll file.

Go to the folder where the file should be located and paste the downloaded file. Below is the list of VSTOInstallerUI.dll file example directory paths.

  • Windows 10: C:\Program Files\Common Files\Microsoft Shared\VSTO\10.0\1033\
  • Windows 7: C:\Program Files (x86)\Common Files\microsoft shared\VSTO\10.0\1033\
  • Windows 7: C:\Program Files (x86)\Common Files\microsoft shared\VSTO\10.0\1033\

If the steps did not solve your VSTOInstallerUI.dll file problem, you should consult a professional. A probability exists that the error(s) might be device-related and therefore should be resolved at the hardware level. A fresh operating system installation might be necessary – a faulty system installation process can result in data loss.

File versions list

Filename VSTOInstallerUI.dll
System Windows 10
File size 10912 bytes
Date 2017-05-10
Download
File details
MD5 4f9cec855809d9c50eabae26d1879fe3
SHA1 6d5f57ae47bb3329ca00ea4b5939a3767118f24d
SHA256 de28b4a662ede5320850db5c04ac76a6665b9a6e249f51bfd3cb86c5447fca4c
CRC32 11e4478d
Example file location C:\Program Files\Common Files\Microsoft Shared\VSTO\10.0\1033\
Filename VSTOInstallerUI.dll
System Windows 7
File size 10080 bytes
Date 2017-05-10
Download
File details
MD5 547fdf13aedd94d9e6c83ccd0c1518ac
SHA1 3a09a47542c99e04ef41070881eef5856ad1676e
SHA256 be46797e662380347cc682c9ae102423f463c0af68115ae3905a45117fe03713
CRC32 4451fbf3
Example file location C:\Program Files (x86)\Common Files\microsoft shared\VSTO\10.0\1033\
Filename VSTOInstallerUI.dll
System Windows 7
File size 10080 bytes
Date -0001-11-30
Download
File details
MD5 b7f48e213410e00c93253aa9c65800ab
SHA1 6ae05737d4020767a14494381410228cbf83f2b7
SHA256 c492ac106419a537605fde55189b5621d0b5f6a443398f9730a23af5f3db9ddf
CRC32 531f409b
Example file location C:\Program Files (x86)\Common Files\microsoft shared\VSTO\10.0\1033\