How to Download MSS.chk and Fix Error Messages

Last Updated: 11/25/2023
[Reading Time Required: 3.5 minutes]

MSS.chk, also known as a InterCheck Checksum Database file, was created by Microsoft for the development of Office 2010. CHK files fall under under the Data (InterCheck Checksum Database) file type category.

The first version of MSS.chk for Windows Vista was introduced on 11/08/2006 in Windows Vista. The latest version update [v2010] for Office was 2010 released on 06/15/2010. MSS.chk is found in Office 2010 and Office 2007.

In this article, you will find detailed MSS.chk information, a CHK file troubleshooting guide, and a list of versions that are available for free download.

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File Overview


General Information
File Name: MSS.chk
File Extension: CHK file extension
File Type: Data
Description: InterCheck Checksum Database
User Popularity Rating:
 
Developer and Software Information
Software Program: Office 2010
Developer: Microsoft
Software: Office
Software Version: 2010
File Details
File Size (Bytes): 8192
Oldest File Date: 04/24/2017
Latest File Date: 05/10/2017


What are MSS.chk Error Messages?


General MSS.chk Runtime Errors

MSS.chk file errors often occur during the startup phase of Office, but can also occur while the program is running. These types CHK errors are also known as “runtime errors” because they occur while Office is running. Here are some of the most common MSS.chk runtime errors:

Microsoft Visual C++ Runtime Library

Runtime Error!

Program: C:\ProgramData\Microsoft\Search\Data\Applications\Windows\MSS.chk

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


Most CHK errors are due to missing or corrupt files. Your MSS.chk 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, MSS.chk file corruption could be caused from a power outage when loading Office, system crash while loading or saving MSS.chk, 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 MSS.chk 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 MSS.chk 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 MSS.chk 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 MSS.chk 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 MSS.chk 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 MSS.chk 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 MSS.chk file version. We maintain a comprehensive database of 100% malware-free MSS.chk 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 MSS.chk 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 Vista: C:\ProgramData\Microsoft\Search\Data\Applications\Windows\
    Windows Vista: C:\ProgramData\Microsoft\Search\Data\Applications\Windows\
    Windows 7: C:\ProgramData\Microsoft\Search\Data\Applications\Windows\
    Windows 7: C:\ProgramData\Microsoft\Search\Data\Applications\Windows\
  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 MSS.chk 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 MSS.chk Files (Malware-Tested 100% Clean)


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

Windows 7
Windows Vista


Files Related to MSS.chk


CHK Files Related to MSS.chk

File Name Description Software Program (Version) File Size (bytes) File Location
edb.chk InterCheck Checksum Database Office 2016 8192 C:\Windows\inf\
edb.chk InterCheck Checksum Database Office 2013 8192 C:\Windows\inf\
edb.chk InterCheck Checksum Database Office 2010 8192 C:\Windows\inf\
edb.chk InterCheck Checksum Database Office 2016 8192 C:\Windows\inf\
edb.chk InterCheck Checksum Database Office 2016 8192 C:\Windows\inf\

Other Files Related to MSS.chk

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 10 6201 C:\Windows\L2Schemas\
WLAN_profile_v1.xsd XML Schema Definition Windows 7 15591 C:\Windows\L2Schemas\
WLAN_profile_v1.xsd XML Schema Definition Windows 8 15591 C:\Windows\L2Schemas\
WLAN_policy_v1.xsd XML Schema Definition Windows 8 7627 C:\Windows\L2Schemas\


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