FirewallAPI.dll Troubleshoot and Download

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

FirewallAPI.dll file Windows Firewall 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 FirewallAPI.dll related errors on your device. You can also download FirewallAPI.dll file compatible with Windows 10, Windows 8.1, Windows 8, Windows 7, Windows 7, Windows Vista, 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 7, Windows Vista, Windows Vista

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Fix FirewallAPI.dll errors

1 Information about FirewallAPI.dll file
2 Errors related to FirewallAPI.dll file
3 How to fix FirewallAPI.dll 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 FirewallAPI.dll

4.1 List of FirewallAPI.dll file versions

File info

General information
Filename	FirewallAPI.dll
File extension	DLL
Description	Windows Firewall 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 FirewallAPI.dll file related problems

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

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

FirewallAPI.dll

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

Problems related to FirewallAPI.dll 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 FirewallAPI.dll 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 FirewallAPI.dll errors in just few steps?

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

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

The last solution is to manually download and replace FirewallAPI.dll 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 FirewallAPI.dll file.

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

Windows 10: C:\Windows\System32\
Windows 8.1: C:\Windows\System32\
Windows 8: 1: C:\Windows\System32\
Windows 7: C:\Windows\SysWOW64\
Windows 7: C:\Windows\SysWOW64\
Windows Vista: ---
Windows Vista: ---

If the steps did not solve your FirewallAPI.dll 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 FirewallAPI.dll

System Windows 10

File size 370688 bytes

Date 2017-03-18

Download

File details
	MD5	1067e7ba6edfaa3c3b8cbf463ba7475e
	SHA1	d4b0a0896e8306bdb15996410a98813d3a185ef5
	SHA256	152d1f5abcbaf17777e4de660a2dc40ae95b71b66f25dd79c7158add11a44dc3
	CRC32	6b7358a8
	Example file location	C:\Windows\System32\

Filename FirewallAPI.dll

System Windows 8.1

File size 543232 bytes

Date 2014-11-21

Download

File details
	MD5	9880febfc5a77f5e4649fc9ff0f26320
	SHA1	f0deb318bff131b55577c8ad522f5d486f4b2b4a
	SHA256	2270a48195d90d641229e1d4573e854340691a4a6e28996ad3731cf653338585
	CRC32	afa39a42
	Example file location	C:\Windows\System32\

Filename FirewallAPI.dll

System Windows 8

File size 550912 bytes

Date 2012-07-26

Download

File details
	MD5	fe85f6dd43ca2e34725ecf58950a332c
	SHA1	f68a5232f9374c139cce1bdc7223488842821c33
	SHA256	a108ee176076e0c29a49ae65967b8d55d2a32c563a6de2461d2d519bbc010f3e
	CRC32	cf0c2a05
	Example file location	1: C:\Windows\System32\

Filename FirewallAPI.dll

System Windows 7

File size 462848 bytes

Date -0001-11-30

Download

File details
	MD5	3f50200237961034face602373838980
	SHA1	a55c7e098370873b56b179cd580c3617e5353298
	SHA256	f97d72cc75d921cf8f8e0544614407358aeff97a8f48e4a89f82689ee8f2fc86
	CRC32	d1a2b0eb
	Example file location	C:\Windows\SysWOW64\

Filename FirewallAPI.dll

System Windows 7

File size 748032 bytes

Date 2009-07-14

Download

File details
	MD5	9ad9e06f8656f296d91fae8ee5b95a27
	SHA1	42741d60d58496451e4dd220f7a3c2907dc9eb50
	SHA256	53384747d5864d699bcc4f48e0a5e656430edaa65dcdab4b11ea68fc7106459e
	CRC32	ffb47b20
	Example file location	C:\Windows\SysWOW64\

Filename FirewallAPI.dll

System Windows Vista

File size 403968 bytes

Date -0001-11-30

Download

File details
	MD5	95f1eb99b81cfd6f581c85f0a0aa9b2b
	SHA1	3cbadc139f646cf1f911ec39a425df69e457acf2
	SHA256	65ee7016e6235880c4443119bf32cf12d4a9a9ca3810b974b575ad31d380a7fb
	CRC32	38e99972
	Example file location	---

Filename FirewallAPI.dll

System Windows Vista

File size 701440 bytes

Date 2008-01-21

Download

File details
	MD5	ffa2b274a5cc6c9a03cbdcf5b8f0239a
	SHA1	0fef79c3d07d15c3fd3c8be6c39435b7c2490d88
	SHA256	32eafc03dc37512f64eb298a58b2d8f725e5e0596e32aec7fd5d5973bd5baa50
	CRC32	bbef74a8
	Example file location	---