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Troubleshoot comexp.CHM Errors and Download File

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

comexp.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 comexp.CHM related errors on your device. You can also download comexp.CHM file compatible with Windows 8, Windows 7, Windows Vista, Windows XP devices which will (most probably) allow you to solve the problem.

For Windows Compatible with: Windows 8, Windows 7, Windows Vista, Windows XP

File info

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

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

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

comexp.CHM

Error

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

OK

Problems related to comexp.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 comexp.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.

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

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

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

  • Windows 8: C:\Windows\Help\mui\0409\
  • Windows 7: C:\Windows\Help\mui\0409\
  • Windows Vista: C:\Windows\Help\mui\0409\
  • Windows XP: C:\WINDOWS\Help\

If the steps did not solve your comexp.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 comexp.CHM
System Windows 8
File size 30859 bytes
Date 2012-07-26
File details
MD5 20e1a4592dd760c9b5c4900209fea8b9
SHA1 0c8aa2873a140b505cf6fb265f7c40511ecab834
SHA256 d8f3d4d65d58de96b0fcb9149cdc1d7fe9eb8de06bf2f2b188eaed8950355350
CRC32 9b0b1af2
Example file location C:\Windows\Help\mui\0409\
Filename comexp.CHM
System Windows 7
File size 95982 bytes
Date -0001-11-30
File details
MD5 405fba00c7ab239a70bda0df783929f9
SHA1 78aa15d624ced25b1ac9db4de95691240fd80ecc
SHA256 0a5900e0a07bb27d92ca66156416bd87a54cf75da542837c52a0913e0383bf42
CRC32 5050a069
Example file location C:\Windows\Help\mui\0409\
Filename comexp.CHM
System Windows Vista
File size 99712 bytes
Date -0001-11-30
File details
MD5 690a16df69adb2a8589cced94b029102
SHA1 689512efc48db0ea83fb96531c7263017cce51a6
SHA256 8c148dd5d1a08db36bafe5a582b33bfa89d3421b9486adb03cc6a99401ba8af8
CRC32 cb4305b6
Example file location C:\Windows\Help\mui\0409\
Filename comexp.CHM
System Windows XP
File size 269916 bytes
Date 2008-04-14
File details
MD5 60ff79c5d18315d397fa7eb7399f8d76
SHA1 69101bdf928a54c80914301ba7008c059a6279fe
SHA256 ba830708bd79e891663eab71a173ec69d846d9f077beadb85396540122118e88
CRC32 ec17e5dc
Example file location C:\WINDOWS\Help\