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Fix perfhost.exe Errors

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

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

For Windows Compatible with: Windows 7, Windows Vista
User popularity

Fix perfhost.exe errors

File info

General information
Filename perfhost.exe
File extension EXE
Type Executable Application
Description Windows Executable
Software
Program Windows 7
Software Windows
Author Microsoft
Software version 7
Details
File size 20992
Oldest file 2008-01-21
Latest file 2009-07-14
perfhost.exe

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

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

perfhost.exe

Error

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

OK

Problems related to perfhost.exe 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 perfhost.exe 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.

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

The last solution is to manually download and replace perfhost.exe 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 perfhost.exe file.

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

  • Windows 7: C:\Windows\SysWOW64\
  • Windows Vista: C:\Windows\SysWOW64\

If the steps did not solve your perfhost.exe 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 perfhost.exe
System Windows 7
File size 20992 bytes
Date -0001-11-30
Download
File details
MD5 e495e408c93141e8fc72dc0c6046ddfa
SHA1 bae3a88e2b0ff5dfb8e8ae126bb2a65170bbff81
SHA256 489b957dada0dc128a09468f1ad082dcc657e86053208ea06a12937be86fb919
CRC32 25cff1fb
Example file location C:\Windows\SysWOW64\
Filename perfhost.exe
System Windows Vista
File size 19968 bytes
Date -0001-11-30
Download
File details
MD5 0ed8727ea0172860f47258456c06caea
SHA1 6c05fb8b4f7643d07c674cd27b42b777fcb0bffa
SHA256 3cdaa1044e412ec4303ceabd36a8c7bada2d6c6692e09b8fe440709e3f4f0166
CRC32 f6c2e18c
Example file location C:\Windows\SysWOW64\