How to Repair L1C63x86.sys? Download Now

Sometimes Windows system displays error messages regarding corrupted or missing L1C63x86.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 L1C63x86.sys file can therefore effect in failed execution of the started process.

L1C63x86.sys file Qualcomm Atheros Ar81xx series PCI-E Gigabit Ethernet Controller. 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 L1C63x86.sys related errors on your device. You can also download L1C63x86.sys file compatible with Windows 10, Windows 8.1, Windows 8 devices which will (most probably) allow you to solve the problem.

Compatible with: Windows 10, Windows 8.1, Windows 8

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Fix L1C63x86.sys errors

1 Information about L1C63x86.sys file
2 Errors related to L1C63x86.sys file
3 How to fix L1C63x86.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 L1C63x86.sys

4.1 List of L1C63x86.sys file versions

File info

General information
Filename	L1C63x86.sys
File extension	SYS
Description	Qualcomm Atheros Ar81xx series PCI-E Gigabit Ethernet Controller

Software
Program	Qualcomm Atheros Ar81xx series PCI-E Gigabit Ethernet Controller
Author	Qualcomm Atheros Co., Ltd.

Details
MIME type	application/octet-stream
File type	Driver
System	Windows NT 32-bit
Copyrights	2001-2012 Qualcomm Atheros Co., Ltd. All Rights Reserved.
Character set	Unicode
Language cod	English (U.S.)

Most common L1C63x86.sys file related problems

There are various types of errors related to L1C63x86.sys file. L1C63x86.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 L1C63x86.sys file. If you encounter one listed below (or similar), please consider the following suggestions.

L1C63x86.sys is corrupted
L1C63x86.sys cannot be located
Runtime Error - L1C63x86.sys
L1C63x86.sys file error
L1C63x86.sys file cannot be loaded. Module was not found
cannot register L1C63x86.sys file:
L1C63x86.sys file could not be loaded
L1C63x86.sys file doesn't exist

L1C63x86.sys

Application could not be started because L1C63x86.sys file is missing. Reinstall the application to solve the problem.

Problems related to L1C63x86.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 L1C63x86.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 L1C63x86.sys errors in just few steps?

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

L1C63x86.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 L1C63x86.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 L1C63x86.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 L1C63x86.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 L1C63x86.sys file. After an error related to%fileextension% file has been discovered, the program attempts to automatically replace the L1C63x86.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 L1C63x86.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 L1C63x86.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 L1C63x86.sys file

The last solution is to manually download and replace L1C63x86.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 L1C63x86.sys file.

Go to the folder where the file should be located and paste the downloaded file. Below is the list of L1C63x86.sys file example directory paths.

Windows 10: C:\Windows\System32\DriverStore\FileRepository\netl1c63x86.inf_x86_e1ed552a3da89b5f\
Windows 8.1: C:\Windows\System32\DriverStore\FileRepository\netl1c63x86.inf_x86_d621bdfe39a69f03\
Windows 8: 1: C:\Windows\System32\DriverStore\FileRepository\netl1c63x86.inf_x86_d621bdfe39a69f03\

If the steps did not solve your L1C63x86.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 L1C63x86.sys

System Windows 10

File size 102912 bytes

Date 2017-03-18

Download

File details
	MD5	f67a301d001241057dbe9da68d715d45
	SHA1	e3e387510ad2b6e190ac183c0ebab5516436be70
	SHA256	d4c2d275148dfd0b343c392e0f44762c2cb0c158e1093c7142d5ce1eabbea1d5
	CRC32	8b59b613
	Example file location	C:\Windows\System32\DriverStore\FileRepository\netl1c63x86.inf_x86_e1ed552a3da89b5f\

Filename L1C63x86.sys

System Windows 8.1

File size 110792 bytes

Date 2013-06-18

Download

File details
	MD5	79a3391114deab8f84a51ff89012d6b2
	SHA1	d8ee9808cb94c7b72ba63a3040d8bb8d900e0825
	SHA256	0155d867983bac46da6e2dbc47b4de3eac6ed05b2a258d37a7cfbe66808324e5
	CRC32	ec7c4a68
	Example file location	C:\Windows\System32\DriverStore\FileRepository\netl1c63x86.inf_x86_d621bdfe39a69f03\

Filename L1C63x86.sys

System Windows 8

File size 85504 bytes

Date 2012-06-02

Download

File details
	MD5	c6d54261f610556ff91952409e65b9fe
	SHA1	dd5fe6eaf1918d04492bc262faa706818e679c8b
	SHA256	4a563c25db8747de2c2ad179cba767be067d74e2ff5209a6637d38a6f15360ce
	CRC32	0c968fbd
	Example file location	1: C:\Windows\System32\DriverStore\FileRepository\netl1c63x86.inf_x86_d621bdfe39a69f03\