How to Download and Fix MSS.chk?

Sometimes Windows system displays error messages regarding corrupted or missing MSS.chk 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 MSS.chk file can therefore effect in failed execution of the started process.

MSS.chk file InterCheck Checksum Database. 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 MSS.chk related errors on your device. You can also download MSS.chk file compatible with Windows 7, Windows 7, Windows Vista, Windows Vista devices which will (most probably) allow you to solve the problem.

For Windows Compatible with: Windows 7, Windows 7, Windows Vista, Windows Vista

File info

General information
Filename MSS.chk
File extension CHK
Type Data
Description InterCheck Checksum Database
Program Office 2010
Software Office
Author Microsoft
Software version 2010
File size 8192
Oldest file 2017-04-24
Latest file 2017-05-10

There are various types of errors related to MSS.chk file. MSS.chk 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 MSS.chk file. If you encounter one listed below (or similar), please consider the following suggestions.

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



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


Problems related to MSS.chk 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 MSS.chk 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.

MSS.chk 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 MSS.chk 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 MSS.chk 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 MSS.chk 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 MSS.chk file. After an error related to%fileextension% file has been discovered, the program attempts to automatically replace the MSS.chk 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 MSS.chk 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 MSS.chk 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 MSS.chk file

The last solution is to manually download and replace MSS.chk 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 MSS.chk file.

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

  • Windows 7: C:\ProgramData\Microsoft\Search\Data\Applications\Windows\
  • Windows 7: C:\ProgramData\Microsoft\Search\Data\Applications\Windows\
  • Windows Vista: C:\ProgramData\Microsoft\Search\Data\Applications\Windows\
  • Windows Vista: C:\ProgramData\Microsoft\Search\Data\Applications\Windows\

If the steps did not solve your MSS.chk 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 MSS.chk
System Windows 7
File size 8192 bytes
Date 2017-04-24
File details
MD5 ed83a86573ad87a51f86249630f27849
SHA1 e31109eccbb211adc89dea312e008326d306775a
SHA256 d5ce5a7ce68c270d023c8613babd33a99f1e3ee6f70b9ac24dc797453fdfbb90
CRC32 034a6664
Example file location C:\ProgramData\Microsoft\Search\Data\Applications\Windows\
Filename MSS.chk
System Windows 7
File size 8192 bytes
Date 2017-05-10
File details
MD5 0b2c1e7d13d056f42aedfe41dcb0abc4
SHA1 417be9196921986b2d1e0027c3b79191062aa1cf
SHA256 26251e5617b54e56f15f65a5d743c3fe2b37bfb5224668140457f3ce012c1b49
CRC32 d41c9a62
Example file location C:\ProgramData\Microsoft\Search\Data\Applications\Windows\
Filename MSS.chk
System Windows Vista
File size 8192 bytes
Date 2017-04-24
File details
MD5 8cfb08a23b2c95c0579556c76e6de89c
SHA1 d231698f3ea7639af14644678dda51ae0241f60d
SHA256 f191a81ec64790a838613c2699ee73bc8aa74af02ea580afa0043a250687f833
CRC32 c7462e5f
Example file location C:\ProgramData\Microsoft\Search\Data\Applications\Windows\
Filename MSS.chk
System Windows Vista
File size 8192 bytes
Date 2017-05-10
File details
MD5 dfec5182abb58e41004331474801c784
SHA1 1c1957acb5432ba797dd2d998e45e2187dd8723f
SHA256 231e8e9edac5ac52b54a85cc7f5e028a171424003c8395ffe82b2d4803a0dd51
CRC32 5148f01b
Example file location C:\ProgramData\Microsoft\Search\Data\Applications\Windows\