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How to Repair pcw.sys? Download Now

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

pcw.sys file Performance Counters for Windows Driver. The file was developed by for use with software. Here you will find detailed information about the file and instructions how to proceed in the event of pcw.sys related errors on your device. You can also download pcw.sys file compatible with Windows 10, Windows 8.1, Windows 8, Windows 7 devices which will (most probably) allow you to solve the problem.

For Windows Compatible with: Windows 10, Windows 8.1, Windows 8, Windows 7
User popularity

Fix pcw.sys errors

File info

General information
Filename pcw.sys
File extension SYS
Description Performance Counters for Windows Driver
Software
Program Microsoft® Windows® Operating System
Author Microsoft Corporation
Details
MIME type application/octet-stream
File type Driver
System Windows NT 32-bit
Copyrights © Microsoft Corporation. All rights reserved.
Character set Unicode
Language cod English (U.S.)
pcw.sys

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

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

pcw.sys

Error

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

OK

Problems related to pcw.sys 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 pcw.sys 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.

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

The last solution is to manually download and replace pcw.sys 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 pcw.sys file.

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

  • Windows 10: C:\Windows\System32\drivers\
  • Windows 8.1: C:\Windows\System32\drivers\
  • Windows 8: 1: C:\Windows\System32\drivers\
  • Windows 7: C:\Windows\System32\drivers\

If the steps did not solve your pcw.sys 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 pcw.sys
System Windows 10
File size 42400 bytes
Date 2017-03-18
Download
File details
MD5 d49842b2dce5bbb4b471f27de876965a
SHA1 a601fd44dd78293b3573ecb7e353afc112cc685e
SHA256 a72f36055ab542213e9a83158661ab30f5343b10e0501f7d9f19f63897f2abb4
CRC32 aedac50d
Example file location C:\Windows\System32\drivers\
Filename pcw.sys
System Windows 8.1
File size 42848 bytes
Date 2013-08-22
Download
File details
MD5 e0f759702bba5095cb0ae570333b194b
SHA1 32aad6e8c430cc503833dab38adc157cce0984c8
SHA256 bc8882f24038a83487c88569efdd1407a55fa45778e4af630167f4b2eb927db5
CRC32 0c04dc26
Example file location C:\Windows\System32\drivers\
Filename pcw.sys
System Windows 8
File size 43760 bytes
Date 2012-07-26
Download
File details
MD5 8a56b080b12950d448d556fe4ba6c68c
SHA1 9c1b73e2767cd75a1541fb9990b68ea119d497ab
SHA256 850db538ce4f65e18f5402e57be5ff458f1ef68c8bba5a7b0b5ebf3e4c5b990f
CRC32 3f3472bb
Example file location 1: C:\Windows\System32\drivers\
Filename pcw.sys
System Windows 7
File size 50768 bytes
Date 2009-07-14
Download
File details
MD5 d6b9c2e1a11a3a4b26a182ffef18f603
SHA1 4d184d0e61ce3261e50ca844773d4626f10887d2
SHA256 bba5fe08b1ddd6243118e11358fd61b10e850f090f061711c3cb207ce5fbbd36
CRC32 64c4bef9
Example file location C:\Windows\System32\drivers\