How to Repair applocker_help.CHM? Download Now

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

applocker_help.CHM file Compiled HTML Help. The file was developed by Microsoft for use with Windows software. Here you will find detailed information about the file and instructions how to proceed in the event of applocker_help.CHM related errors on your device. You can also download applocker_help.CHM file compatible with Windows 8, Windows 7 devices which will (most probably) allow you to solve the problem.

For Windows Compatible with: Windows 8, Windows 7

File info

General information
Filename applocker_help.CHM
File extension CHM
Type Compiled HTML Help
Description Compiled HTML Help
Program Windows 8
Software Windows
Author Microsoft
Software version 8
MIME type application/x-chm
Language cod English (U.S.)

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

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



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


Problems related to applocker_help.CHM 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 applocker_help.CHM 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.

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

The last solution is to manually download and replace applocker_help.CHM 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 applocker_help.CHM file.

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

  • Windows 8: C:\Windows\Help\mui\0409\
  • Windows 7: C:\Windows\Help\mui\0409\

If the steps did not solve your applocker_help.CHM 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 applocker_help.CHM
System Windows 8
File size 41541 bytes
Date 2012-07-26
File details
MD5 b867c31732e39efc31ae5b4f6420e773
SHA1 e78654e645f5ae7601913e8de27fb2e2a2678418
SHA256 65a734208786654a78bdd6fb1da8e8e1e281e683305864fccca449de85acb9d9
CRC32 fc540cad
Example file location C:\Windows\Help\mui\0409\
Filename applocker_help.CHM
System Windows 7
File size 46942 bytes
Date -0001-11-30
File details
MD5 85de4fa7dda4802f8ba5891eb966c0c9
SHA1 832166d043acf5f0822c716aec75fd4e656d2ed7
SHA256 3b224480ef70ef8ee67e6b0cec2849c828c5ce12ae87264c79ab770ea958cf2e
CRC32 fe635ea5
Example file location C:\Windows\Help\mui\0409\