Fix, Download, and Update 20acc.msi

Last Updated: 09/05/2018
[Average Read Time: 4.5 minutes]

20acc.msi is considered a type of Microsoft Windows Installer Package file. It is most-commonly used in Office 2010 developed by Microsoft. It uses the MSI file extension and is considered a FPX (Microsoft Windows Installer Package) file.

The initial introduction of 20acc.msi released in Office 2010 was for Windows 7 on 06/15/2010. This file release marks the latest and most updated version from Microsoft.

This article discusses complete file details, MSI file troubleshooting instructions for problems with 20acc.msi, and a comprehensive set of free downloads for every file version that has been catalogued by our team.


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File Overview


General Information
File Name: 20acc.msi
File Extension: MSI file extension
Title: Installation Database
Subject: Microsoft Office Groove MUI (English) 2010
File Type: Installer
Description: Microsoft Windows Installer Package
Comments: This Installer database contains the logic and data required to install Microsoft Office Groove MUI (English) 2010.
MIME Type: image/vnd.fpx
User Popularity Rating:
 
Developer and Software Information
Software Program: Office 2010
Software: Windows Installer XML (3.0.5419.0)
Developer: Microsoft
Software: Office
Software Version: 2010
File Details
File Size (Bytes): 1804800
Oldest File Date: 05/10/2017
Latest File Date: 05/10/2017


What are 20acc.msi Error Messages?


General 20acc.msi Runtime Errors

20acc.msi file errors often occur during the install phase of Office, but can also occur while the program is running. These types MSI errors are also known as “runtime errors” because they occur while Office is running. Here are some of the most common 20acc.msi runtime errors:

Microsoft Visual C++ Runtime Library

Runtime Error!

Program: C:\WINDOWS\Installer\20acc.msi

This application has requested the Runtime to terminate it in an unusual way.
Please contact the application's support team for more information.


Most MSI errors are due to missing or corrupt files. Your 20acc.msi file could be missing due to accidental deletion, uninstalled as a shared file of another program (shared with Office), or deleted by a malware infection. Furthermore, 20acc.msi file corruption could be caused from a power outage when loading Office, system crash while loading or saving 20acc.msi, bad sectors on your storage media (usually your primary hard drive), or malware infection. Thus, it’s critical to make sure your anti-virus is kept up-to-date and scanning regularly.



How to Fix 20acc.msi 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 20acc.msi 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 20acc.msi error, please proceed to the Step 2 below.

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

You can uninstall Office 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 Office 2010 and click "Uninstall"
  5. Follow the prompts for uninstallation.

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

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

Office 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 20acc.msi 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 20acc.msi 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 20acc.msi 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 20acc.msi file version. We maintain a comprehensive database of 100% malware-free 20acc.msi files for every applicable version of Office. 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 20acc.msi Files".
  2. Click the appropriate "Download Now" button and download your Windows file version.
  3. Copy this file to the appropriate Office folder location:
    Windows 7: C:\WINDOWS\Installer\
  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 7.


GEEK TIP : We must emphasize that reinstalling Windows will be a very time-consuming and advanced task to resolve 20acc.msi 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 20acc.msi Files (Malware-Tested 100% Clean)


CAUTION : We strongly advise against downloading and copying 20acc.msi to your appropriate Windows system directory. Microsoft typically does not release Office MSI 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 20acc.msi and all other MSI files for Office. An incorrectly installed MSI file may create system instability and could cause your program or operating system to stop functioning altogether. Proceed with caution.

Windows 7


Files Related to 20acc.msi


MSI Files Related to 20acc.msi

File Name Description Software Program (Version) File Size (bytes) File Location
20adb.msi Microsoft Windows Installer Package Office 2010 650240 C:\WINDOWS\Installer\
1f010.msi Microsoft Windows Installer Package Office 2007 846848 C:\WINDOWS\Installer\
Proof.msi Microsoft Windows Installer Package Office 2013 1929216 C:\MSOCache\All Users\{90150000-002C-0409-0000-...
AccessMUI.msi Microsoft Windows Installer Package Office 2010 1813504 C:\MSOCache\All Users\{90140000-0117-0409-0000-...
20af4.msi Microsoft Windows Installer Package Office 2010 1800704 C:\WINDOWS\Installer\

Other Files Related to 20acc.msi

File Name Description Software Program (Version) File Size (bytes) File Location
PGMN022.XML Extensible Markup Language Office 2007 160862 C:\Program Files (x86)\Microsoft Office\Office1...
cmlua.dll.mui Myriad User Instrument Windows Vista 2560 C:\Windows\SysWOW64\en-US\
sppwmi.dll Dynamic Link Library Windows 7 118784 C:\Windows\SysWOW64\
VVIEWER.DLL Microsoft Office Visio Viewer Microsoft® Office Visio® 2007 (12.0.4518.1014) 3732792 C:\Program Files (x86)\Microsoft Office\Office12\
devrtl.dll Device Management Run Time Library Microsoft® Windows® Operating System (6.2.9200.16384) 42496 C:\Windows\System32\


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