Troubleshoot SCHEMA.DAT.LOG1 Issues (Free Download)

Last Updated: 09/06/2018
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LOG1 files such as SCHEMA.DAT.LOG1 are categorized as Data (Windows Registry Hive Log) files. As a Windows Registry Hive Log file, it was created for use in Office 2010 by Microsoft.

The first version of SCHEMA.DAT.LOG1 was released for the Windows Vista Operating System on 11/08/2006 inside Windows Vista. On 06/15/2010, version 2010 was released for Office 2010. SCHEMA.DAT.LOG1 is found in Windows 10, Windows 8.1, and Windows 8.

Please continue reading to find your correct SCHEMA.DAT.LOG1 file version download (free), detailed file information, and LOG1 file troubleshooting instructions.

Recommended Download: Fix SCHEMA.DAT.LOG1 / Office-related registry issues with RocketPC.

Compatible with Windows 10, 8, 7, Vista, XP and 2000

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File Overview

General Information
File Extension: LOG1 file extension
File Type: Data
Description: Windows Registry Hive Log
User Popularity Rating:
Developer and Software Information
Software Program: Office 2010
Developer: Microsoft
Software: Office
Software Version: 2010
File Details
File Size (Bytes): 262144
Oldest File Date: 04/11/2009
Latest File Date: 05/10/2017

What are SCHEMA.DAT.LOG1 Error Messages?

General SCHEMA.DAT.LOG1 Runtime Errors

SCHEMA.DAT.LOG1 file errors often occur during the startup phase of Office, but can also occur while the program is running. These types LOG1 errors are also known as “runtime errors” because they occur while Office is running. Here are some of the most common SCHEMA.DAT.LOG1 runtime errors:

Microsoft Visual C++ Runtime Library

Runtime Error!

Program: C:\Windows\System32\SMI\Store\Machine\SCHEMA.DAT.LOG1

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

Most LOG1 errors are due to missing or corrupt files. Your SCHEMA.DAT.LOG1 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, SCHEMA.DAT.LOG1 file corruption could be caused from a power outage when loading Office, system crash while loading or saving SCHEMA.DAT.LOG1, 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 SCHEMA.DAT.LOG1 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 SCHEMA.DAT.LOG1 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 SCHEMA.DAT.LOG1 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 SCHEMA.DAT.LOG1 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 SCHEMA.DAT.LOG1 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 SCHEMA.DAT.LOG1 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 SCHEMA.DAT.LOG1 file version. We maintain a comprehensive database of 100% malware-free SCHEMA.DAT.LOG1 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 SCHEMA.DAT.LOG1 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 10: C:\Windows\System32\SMI\Store\Machine\
    Windows 8.1: C:\Windows\System32\SMI\Store\Machine\
    Windows 8: C:\Windows\System32\SMI\Store\Machine\
    Windows 7: C:\Windows\System32\SMI\Store\Machine\
    Windows 7: C:\Windows\System32\SMI\Store\Machine\
    Show 2 more directories +
    Windows Vista: C:\Windows\System32\SMI\Store\Machine\
    Windows Vista: C:\Windows\System32\SMI\Store\Machine\
  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 SCHEMA.DAT.LOG1 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 SCHEMA.DAT.LOG1 Files (Malware-Tested 100% Clean)

CAUTION : We strongly advise against downloading and copying SCHEMA.DAT.LOG1 to your appropriate Windows system directory. Microsoft typically does not release Office LOG1 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 SCHEMA.DAT.LOG1 and all other LOG1 files for Office. An incorrectly installed LOG1 file may create system instability and could cause your program or operating system to stop functioning altogether. Proceed with caution.

Windows 10
Windows 8.1
Windows 8
Windows 7
Windows Vista

Files Related to SCHEMA.DAT.LOG1

LOG1 Files Related to SCHEMA.DAT.LOG1

File Name Description Software Program (Version) File Size (bytes) File Location
SOFTWARE.LOG1 Windows Registry Hive Log Office 2007 262144 C:\Windows\System32\config\RegBack\
DEFAULT.LOG1 Windows Registry Hive Log Office 2007 0 C:\Windows\System32\config\RegBack\
SYSTEM.LOG1 Windows Registry Hive Log Office 2007 786432 C:\Windows\System32\config\RegBack\
DRIVERS.LOG1 Windows Registry Hive Log Office 2013 81920 C:\Windows\System32\config\
SYSTEM.LOG1 Windows Registry Hive Log Office 2013 6987776 C:\Windows\System32\config\

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