Fix wlanapi.dll Errors

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

wlanapi.dll file Windows WLAN AutoConfig Client Side API DLL. 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 wlanapi.dll related errors on your device. You can also download wlanapi.dll file compatible with Windows 10, Windows 8.1, Windows 8, Windows 7, Windows 7, Windows Vista, Windows Vista, Windows XP 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, Windows XP

User popularity

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

4 Download wlanapi.dll

4.1 List of wlanapi.dll file versions

File info

General information
Filename	wlanapi.dll
File extension	DLL
Description	Windows WLAN AutoConfig Client Side API DLL

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 wlanapi.dll file related problems

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

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

wlanapi.dll

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

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

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

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

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

Go to the folder where the file should be located and paste the downloaded file. Below is the list of wlanapi.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\System32\
Windows 7: C:\Windows\System32\
Windows Vista: ---
Windows Vista: ---
Windows XP: ---

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

System Windows 10

File size 323424 bytes

Date 2017-03-18

Download

File details
	MD5	0a70d44652f527eebd3c5882291a63f4
	SHA1	fe12f649cb8dca9f92a8c93c099ad4523eafd4cb
	SHA256	d4422a88ec684d07da40ef8f6c41799071ce91e69ae2f5f5a657469c78d3d885
	CRC32	825070b7
	Example file location	C:\Windows\System32\

Filename wlanapi.dll

System Windows 8.1

File size 238080 bytes

Date 2014-11-21

Download

File details
	MD5	4a263719e8e784a8c6ccbf4c298586c3
	SHA1	ba935cd96dadbd300d0b63649701bb4f9840a357
	SHA256	cd3cfd0f8b9156e3f1bd5d599ac6037863dfb5e5bbe1397f6aaf83be96a8499f
	CRC32	d91706db
	Example file location	C:\Windows\System32\

Filename wlanapi.dll

System Windows 8

File size 202240 bytes

Date 2012-07-26

Download

File details
	MD5	206dc7ce03bd96aba10219543e31c418
	SHA1	7e1102cc8ac4ffeccf78efc7003e895dc173fc08
	SHA256	391318a3690e60ccf58d66c5b6177f2eb670094079774c8b754925c70b860f41
	CRC32	2909c112
	Example file location	1: C:\Windows\System32\

Filename wlanapi.dll

System Windows 7

File size 114176 bytes

Date 2009-07-14

Download

File details
	MD5	357be883c5236bfc7341cb9e82308908
	SHA1	78d55d1aa40b33fc53e4cdf5aa23b6b180e1ca97
	SHA256	4ddb697fd9b7c516cf99d73c8799ea35bb97e2431216cd7c1045f17b06109fbf
	CRC32	2d8ebc24
	Example file location	C:\Windows\System32\

Filename wlanapi.dll

System Windows 7

File size 81408 bytes

Date -0001-11-30

Download

File details
	MD5	b010cf886420ee29c2c276646721d255
	SHA1	8dbe981b2569fcc8da10a1ef82707461b7d92aef
	SHA256	cbcd032d679ade3a9942a1d116648d6a9ecc71f66f8630629e724e5ee23f9f73
	CRC32	2d014634
	Example file location	C:\Windows\System32\

Filename wlanapi.dll

System Windows Vista

File size 86528 bytes

Date 2008-01-21

Download

File details
	MD5	77a3bcabefcc9749ea25d275f465dfbc
	SHA1	10203809a7a3bb266c934bd67cf0b95c0e6005e8
	SHA256	fae5e122fa0543bf98eb1cd22cb7ffcee4f4106564bcbbe39425abf958928455
	CRC32	cd3e4518
	Example file location	---

Filename wlanapi.dll

System Windows Vista

File size 64512 bytes

Date -0001-11-30

Download

File details
	MD5	f28f5e62eea67807ad4d4449f29be2bd
	SHA1	2a9a14ade90f3e8f4d9fd3e37846901a9d33ab68
	SHA256	efc17560781c4884afa331b50a77f5d793b1c4d8d8ed7345558648f4c03a9619
	CRC32	0e288b49
	Example file location	---

Filename wlanapi.dll

System Windows XP

File size 69120 bytes

Date 2008-04-14

Download

File details
	MD5	9eefe69139fdbb4a3c327630f8eb993a
	SHA1	7f30cfecc37c6e77c6c4fb2742b9821f92bdde5e
	SHA256	8b397f6721e7bc8aa93e9b68099084d49ac4776bacc1383089c59a52d8244b49
	CRC32	5e46cf0b
	Example file location	---