How to Repair FWPKCLNT.SYS? Download Now

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

FWPKCLNT.SYS file FWP/IPsec Kernel-Mode API. 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 FWPKCLNT.SYS related errors on your device. You can also download FWPKCLNT.SYS file compatible with Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Vista devices which will (most probably) allow you to solve the problem.

Compatible with: Windows 10, Windows 8.1, Windows 8, Windows 7, Windows Vista

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Fix FWPKCLNT.SYS errors

1 Information about FWPKCLNT.SYS file
2 Errors related to FWPKCLNT.SYS file
3 How to fix FWPKCLNT.SYS related errors?

3.1 Scanning for malicious software
3.2 System and driver update
3.3 System File Checker tool
3.4 System recovery

4 Download FWPKCLNT.SYS

4.1 List of FWPKCLNT.SYS file versions

File info

General information
Filename	FWPKCLNT.SYS
File extension	SYS
Description	FWP/IPsec Kernel-Mode API

Software
Program	Microsoft® Windows® Operating System
Author	Microsoft Corporation

Details
MIME type	application/octet-stream
File type	Dynamic link library
System	Windows NT 32-bit
Copyrights	© Microsoft Corporation. All rights reserved.
Character set	Unicode
Language cod	English (U.S.)

Most common FWPKCLNT.SYS file related problems

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

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

FWPKCLNT.SYS

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

Problems related to FWPKCLNT.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 FWPKCLNT.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.

How to fix FWPKCLNT.SYS errors in just few steps?

Remember, before taking any action related to system files perform a backup copy of your data!

FWPKCLNT.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

Windows files are commonly attacked by malicious software that prevents them from working properly. First step in addressing problems with FWPKCLNT.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.

Installing relevant Microsoft Windows patches and updates may solve your problems related to FWPKCLNT.SYS file. Use dedicated Windows tool to perform the update.

Go to the Windows "Start" menu
Type "Windows Update" in the search field
Choose the appropriate software program (name may vary depending on your system version)
Check if your system is up to date. If any unapplied updates are listed, install them immediately.
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 FWPKCLNT.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 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 FWPKCLNT.SYS file. After an error related to%fileextension% file has been discovered, the program attempts to automatically replace the FWPKCLNT.SYS file with properly working version. To use the tool:

Go to the Windows "Start" menu
Type "cmd" in the search field
Locate "Command Prompt" result – don't run it yet:
Click the right mouse button and select "Run as Administrator" option
Type "sfc /scannow" in console prompt to start the program and follow the instructions

Step 4: Restoring Windows system

Another approach is to restore system to previous state, before the FWPKCLNT.SYS file error occured. In order to restore your system, follow the instructions below

Go to the Windows "Start" menu
Type "System Restore" in the search field
Start the system restore tool – it's name may differ depending on version of the system
The application will guide you through the process – read the messages carefully
After the process has finished, restart your computer.

If all the above-mentioned methods failed and the FWPKCLNT.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 FWPKCLNT.SYS file

The last solution is to manually download and replace FWPKCLNT.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 FWPKCLNT.SYS file.

Go to the folder where the file should be located and paste the downloaded file. Below is the list of FWPKCLNT.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\
Windows Vista: C:\Windows\System32\drivers\

If the steps did not solve your FWPKCLNT.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 FWPKCLNT.SYS

System Windows 10

File size 290208 bytes

Date 2017-03-18

Download

File details
	MD5	c5a411e5fae263eaf708df71b60c4dad
	SHA1	286db5fa35288078ff02c75025bab45a8d8c5d71
	SHA256	ca20f352d8f4b2e301ae8968cfdec0a3ca4628fed83bc82f30f0bbe3ecae5765
	CRC32	a8c6ccd3
	Example file location	C:\Windows\System32\drivers\

Filename FWPKCLNT.SYS

System Windows 8.1

File size 286528 bytes

Date 2014-11-21

Download

File details
	MD5	ddc5a56c5e748324a51356e477c69072
	SHA1	568fc1d9b607393058b7cb575a827e33920d1482
	SHA256	48271c9444531273194b5065acd77d8dd2eafb49e46ad8c9fb89d3cc5e579954
	CRC32	9f095c41
	Example file location	C:\Windows\System32\drivers\

Filename FWPKCLNT.SYS

System Windows 8

File size 271088 bytes

Date 2012-07-26

Download

File details
	MD5	36c51b1d341022b88a67f4d907ca81d9
	SHA1	5d578cfdcbe2117092c4d7ce8cc50b06e462e7fe
	SHA256	04934a8cc1a746395aecd56f82835238224e26287f156f8bdc02ce698745e118
	CRC32	97dc2096
	Example file location	1: C:\Windows\System32\drivers\

Filename FWPKCLNT.SYS

System Windows 7

File size 288640 bytes

Date 2010-11-21

Download

File details
	MD5	63b5129d7127e7757fcc9ea9d3763963
	SHA1	53805e9b463e7b037fb300ff23d99357ab5098ee
	SHA256	e233fa7d50ecb1ada7356e338df4fc2f1c9bd2916e1a4b0f76a7dd4399c79ab6
	CRC32	44531440
	Example file location	C:\Windows\System32\drivers\

Filename FWPKCLNT.SYS

System Windows Vista

File size 166888 bytes

Date 2009-04-11

Download

File details
	MD5	dc83a8659514ab95972b13c71f50d0cb
	SHA1	5f2952acba6412b18ced57240788a8b98a0e46b3
	SHA256	8f0dbb60bdd215b18385c8e54d059ddcb314ea21c316d878a2a2f57e37844727
	CRC32	f7896be0
	Example file location	C:\Windows\System32\drivers\