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Fix perf.h1s Errors

Sometimes Windows system displays error messages regarding corrupted or missing perf.h1s 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 perf.h1s file can therefore effect in failed execution of the started process.

perf.h1s file Microsoft Help Compiled Help Data. 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 perf.h1s related errors on your device. You can also download perf.h1s 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

File info

General information
Filename perf.h1s
File extension H1S
Type Windows Help
Description Microsoft Help Compiled Help Data
Software
Program Windows 7
Software Windows
Author Microsoft
Software version 7
Details
File size 71644
Oldest file 2009-04-11
Latest file 2011-04-12
perf.h1s

There are various types of errors related to perf.h1s file. perf.h1s 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 perf.h1s file. If you encounter one listed below (or similar), please consider the following suggestions.

  • perf.h1s is corrupted
  • perf.h1s cannot be located
  • Runtime Error - perf.h1s
  • perf.h1s file error
  • perf.h1s file cannot be loaded. Module was not found
  • cannot register perf.h1s file:
  • perf.h1s file could not be loaded
  • perf.h1s file doesn't exist

perf.h1s

Error

Application could not be started because perf.h1s file is missing. Reinstall the application to solve the problem.

OK

Problems related to perf.h1s 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 perf.h1s 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.

perf.h1s 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 perf.h1s 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 perf.h1s 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 perf.h1s 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 perf.h1s file. After an error related to%fileextension% file has been discovered, the program attempts to automatically replace the perf.h1s 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 perf.h1s 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 perf.h1s 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 perf.h1s file

The last solution is to manually download and replace perf.h1s 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 perf.h1s file.

Go to the folder where the file should be located and paste the downloaded file. Below is the list of perf.h1s file example directory paths.

  • Windows 7: C:\Windows\Help\Windows\en-US\
  • Windows Vista: C:\Windows\Help\Windows\en-US\

If the steps did not solve your perf.h1s 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 perf.h1s
System Windows 7
File size 71644 bytes
Date 2011-04-12
File details
MD5 5bbd6a09d7b6f9e2a58491bbf8158b94
SHA1 b4d42a5e62b8ca783e5a48ac593ed153b1387315
SHA256 bb1003fa600d7846ebbc4e6ff788f507ccbf04c18240106f96cc1c4276ead147
CRC32 1896eca3
Example file location C:\Windows\Help\Windows\en-US\
Filename perf.h1s
System Windows Vista
File size 79244 bytes
Date -0001-11-30
File details
MD5 e0778b4a3b6b5c075a008cebfaf19df5
SHA1 e0db37375551bb2e2bfd01037335d8dae73f78e7
SHA256 73c81420d773319a3f670460cb08cc7b4a07472b020015f3db6c9ee7cab33689
CRC32 18894665
Example file location C:\Windows\Help\Windows\en-US\