How to Download and Repair Help_MTOC_help.H1H (3 Step Guide)

Last Updated: 11/25/2023
[Time Needed for Reading: ~4-6 minutes]

The development of Windows 7 by Microsoft prompted the latest creation of Help_MTOC_help.H1H. It is also known as a Microsoft Help Merged Hierarchy file (file extension H1H), which is classified as a type of Windows Help (Microsoft Help Merged Hierarchy) file.

The first release of Help_MTOC_help.H1H for the Windows Vista platform was on 11/08/2006 for Windows Vista. The latest file update released for Windows 7 was on 07/22/2009 [file version 7].

In this article, you will find detailed Help_MTOC_help.H1H information, a H1H file troubleshooting guide, and a list of versions that are available for free download.

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File Overview


General Information
File Name: Help_MTOC_help.H1H
File Extension: H1H file extension
File Type: Windows Help
Description: Microsoft Help Merged Hierarchy
User Popularity Rating:
 
Developer and Software Information
Software Program: Windows 7
Developer: Microsoft
Software: Windows
Software Version: 7
File Details
File Size (Bytes): 417052
Oldest File Date: 04/11/2009
Latest File Date: 04/12/2011


What are Help_MTOC_help.H1H Error Messages?


General Help_MTOC_help.H1H Runtime Errors

Help_MTOC_help.H1H file errors often occur during the startup phase of Windows, but can also occur while the program is running. These types H1H errors are also known as “runtime errors” because they occur while Windows is running. Here are some of the most common Help_MTOC_help.H1H runtime errors:

Microsoft Visual C++ Runtime Library

Runtime Error!

Program: C:\ProgramData\Microsoft\Assistance\Client\1.0\en-US\Help_MTOC_help.H1H

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


Most H1H errors are due to missing or corrupt files. Your Help_MTOC_help.H1H file could be missing due to accidental deletion, uninstalled as a shared file of another program (shared with Windows), or deleted by a malware infection. Furthermore, Help_MTOC_help.H1H file corruption could be caused from a power outage when loading Windows, system crash while loading or saving Help_MTOC_help.H1H, 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 Help_MTOC_help.H1H 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 Help_MTOC_help.H1H 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 Help_MTOC_help.H1H error, please proceed to the Step 2 below.

Step 2: Run SFC (System File Checker) to restore the corrupt or missing Help_MTOC_help.H1H file.

System File Checker is a utility included with every Windows version that allows you scan and restore corrupted system files. Use the SFC tool to fix missing or corrupt Help_MTOC_help.H1H files (Windows XP, Vista, 7, 8, and 10):

  1. Hit the Windows Start button
  2. In the search box, type "cmd" but DO NOT PRESS "ENTER".
  3. Press and hold "CTRL-Shift" on your keyboard while pressing "ENTER".
  4. You'll be prompted with a permission dialog box.
  5. In the box, click "YES".
  6. You should have a black screen with a blinking cursor.
  7. In that black screen, type "sfc /scannow" and hit "ENTER".
  8. SFC will begin scanning for Help_MTOC_help.H1H issues and any other system file problems.
  9. Follow any on-screen commands to complete the process.

Please be aware that this scan might take a while, so please be patient while it is working.

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

sfc /scannow

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 Help_MTOC_help.H1H 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 Help_MTOC_help.H1H 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 Help_MTOC_help.H1H 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 Help_MTOC_help.H1H file version. We maintain a comprehensive database of 100% malware-free Help_MTOC_help.H1H files for every applicable version of Windows. 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 Help_MTOC_help.H1H Files".
  2. Click the appropriate "Download Now" button and download your Windows file version.
  3. Copy the file into the appropriate directory for your Windows version:

  4. Windows Vista: C:\ProgramData\Microsoft\Assistance\Client\1.0\en-US\
    Windows 7: C:\ProgramData\Microsoft\Assistance\Client\1.0\en-US\
  5. 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 Help_MTOC_help.H1H 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 Help_MTOC_help.H1H Files (Malware-Tested 100% Clean)


CAUTION : We strongly advise against downloading and copying Help_MTOC_help.H1H to your appropriate Windows system directory. Microsoft typically does not release Windows H1H 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 Help_MTOC_help.H1H and all other H1H files for Windows. An incorrectly installed H1H file may create system instability and could cause your program or operating system to stop functioning altogether. Proceed with caution.

Windows Vista
Windows 7


Files Related to Help_MTOC_help.H1H


H1H Files Related to Help_MTOC_help.H1H

File Name Description Software Program (Version) File Size (bytes) File Location
Help_MTOC_help.H1H Microsoft Help Merged Hierarchy Windows Vista 970304 C:\Windows\System32\Sysprep\Panther\
Help_MTOC_help.H1H Microsoft Help Merged Hierarchy Windows 7 417052 C:\Windows\System32\Sysprep\Panther\

Other Files Related to Help_MTOC_help.H1H

File Name Description Software Program (Version) File Size (bytes) File Location
OneX_v1.xsd XML Schema Definition Windows 8.1 5957 C:\Windows\L2Schemas\
WWAN_profile_v1.xsd XML Schema Definition Microsoft Office Access 2010 14 6201 C:\Windows\Temp\527D94AF-D053-4381-B105-0D815D5...
WLANAP_profile_v1.xsd XML Schema Definition Windows 7 7504 C:\Windows\L2Schemas\
WLANAP_profile_v1.xsd XML Schema Definition Windows 8.1 7548 C:\Windows\L2Schemas\
WLAN_profile_v1.xsd XML Schema Definition Windows 8 15591 C:\Windows\L2Schemas\


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