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

SCHEMA.DAT file Game Data. 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 SCHEMA.DAT related errors on your device. You can also download SCHEMA.DAT file compatible with Windows 10, Windows 8.1, Windows 8, Windows 7, Windows 7, Windows Vista, Windows Vista devices which will (most probably) allow you to solve the problem.

For Windows Compatible with: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows 7, Windows Vista, Windows Vista

File info

General information
File extension DAT
Type Dynamic Link Library
Description Game Data
Program Office 2010
Software Office
Author Microsoft
Software version 2010
File size 9699328
Oldest file 2009-04-11
Latest file 2017-05-10

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

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



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


Problems related to SCHEMA.DAT 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 SCHEMA.DAT 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.

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

The last solution is to manually download and replace SCHEMA.DAT 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 SCHEMA.DAT file.

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

  • Windows 10: C:\Windows\System32\SMI\Store\Machine\
  • Windows 8.1: C:\Windows\System32\SMI\Store\Machine\
  • Windows 8: 1: C:\Windows\System32\SMI\Store\Machine\
  • Windows 7: C:\Windows\System32\SMI\Store\Machine\
  • Windows 7: C:\Windows\System32\SMI\Store\Machine\
  • Windows Vista: ---
  • Windows Vista: ---

If the steps did not solve your SCHEMA.DAT 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

System Windows 10
File size 7864320 bytes
Date 2017-03-18
File details
MD5 bbd4e6fe2295adc531f9887f7d1a38d7
SHA1 810f4aa6d97a9216c8cad7db91dc413468b6b8d3
SHA256 1e3e7e10481f52582162ae3f75631be43644c92080f6b7d0b476b9869afd3d2c
CRC32 ed28173a
Example file location C:\Windows\System32\SMI\Store\Machine\
System Windows 8.1
File size 7340032 bytes
Date 2014-11-21
File details
MD5 3053fa155542089ca782567c42f9e938
SHA1 5385557bf1bdda7b7de946ec79f04b29775813b8
SHA256 83ab428bb487bbb1fffe90d8a5066536d5e9f997831162c643c3647edcfef437
CRC32 04e5cd46
Example file location C:\Windows\System32\SMI\Store\Machine\
System Windows 8
File size 7340032 bytes
Date 2012-07-26
File details
MD5 d2ee977eaf39aff0e0daf78f5594dfa1
SHA1 69e7a1ef2068966dc3a8a4d104b6be6ddd99c12a
SHA256 0bf9b09cb5a51fe7ee42dd7dbf50c53af60ded7d82879fc2a0c157d9a422ad62
CRC32 ed314d57
Example file location 1: C:\Windows\System32\SMI\Store\Machine\
System Windows 7
File size 9699328 bytes
Date 2011-04-12
File details
MD5 d6d482cf9ead65cbd8dbbf9ebb003af3
SHA1 1a80e901836425c0a156ae2a5da613a5427b6319
SHA256 cbd4e669d76754a9dc4f6bc86378df384e7cc78378818dac1504ff0ebcc8654e
CRC32 f3b0928f
Example file location C:\Windows\System32\SMI\Store\Machine\
System Windows 7
File size 9699328 bytes
Date 2017-05-10
File details
MD5 ffac581f52eab437e297f78798d4033d
SHA1 1805c8d10a973cc62485b1a276e4e0db2a60efd1
SHA256 9e826d7fba583aeb018df8c0c7d9d37c2b260fd5a1fa00aaad6aef21cb77cc00
CRC32 ae2c4d7b
Example file location C:\Windows\System32\SMI\Store\Machine\
System Windows Vista
File size 10747904 bytes
Date 2009-04-11
File details
MD5 3b94e6ac8e233dcc9d66160d381357a5
SHA1 e4e1805de17d1020e927aa709dc9d37abb798b72
SHA256 333bc4f15b5a57747af7b8f4ed4fd6e3f52e5e61ab0bf73394333f5c2caef65f
CRC32 389ca67f
Example file location ---
System Windows Vista
File size 10747904 bytes
Date 2017-05-10
File details
MD5 5a6b63c7f2d3592b0ff0f7ed9c76c99d
SHA1 fc1ac0e452b6774404708e1c950a688cc9da86ab
SHA256 b419a286a2dd356bb133190e58387f53559877ca1aa753cceaf1e7e6ca7dd507
CRC32 d4184818
Example file location ---