Troubleshoot perfmon.CHM Errors and Download File

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

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

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

File info

General information
Filename perfmon.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 perfmon.CHM file. perfmon.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 perfmon.CHM file. If you encounter one listed below (or similar), please consider the following suggestions.

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



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


Problems related to perfmon.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 perfmon.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.

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

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

Go to the folder where the file should be located and paste the downloaded file. Below is the list of perfmon.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\

If the steps did not solve your perfmon.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 perfmon.CHM
System Windows 8
File size 31857 bytes
Date 2012-07-26
File details
MD5 47aed7f5985f3cd89e77516ef7a35ea5
SHA1 f51e33483bdad07b2a676c02bb58dac254366ce4
SHA256 dd676e322fd09920df0748e230ff1f8bb4fbf39c4529a4fddff89df55d2c3080
CRC32 bec6a01b
Example file location C:\Windows\Help\mui\0409\
Filename perfmon.CHM
System Windows 7
File size 55714 bytes
Date -0001-11-30
File details
MD5 58245e123fdc4a6ed1600cd0e6a1d801
SHA1 8248e5b65dc6a7bd3eacd673cc6339895dcd8a0a
SHA256 56b2df0915276b31f9f5ac9e05082f00c05e9ca43646cf03b27fb004ab3f1201
CRC32 c470ad02
Example file location C:\Windows\Help\mui\0409\
Filename perfmon.CHM
System Windows Vista
File size 80278 bytes
Date -0001-11-30
File details
MD5 708899579b8caeb6cf30c9ed7281d205
SHA1 485980b1c28d3ba595800c04cd491b17f9bd0765
SHA256 5b05a32a5d3304a777df6872bbb6f8e57df545408c885ff36304c0ea6e5dada2
CRC32 2e7a65b6
Example file location C:\Windows\Help\mui\0409\