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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.

For Windows Compatible with: Windows 10, Windows 8.1, Windows 8

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.)
L1C63x86.sys

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

Error

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

OK

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.

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

Virus Scan

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.

Windows Update

Installing relevant Microsoft Windows patches and updates may solve your problems related to L1C63x86.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 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

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:

  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 L1C63x86.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 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
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
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
File details
MD5 c6d54261f610556ff91952409e65b9fe
SHA1 dd5fe6eaf1918d04492bc262faa706818e679c8b
SHA256 4a563c25db8747de2c2ad179cba767be067d74e2ff5209a6637d38a6f15360ce
CRC32 0c968fbd
Example file location 1: C:\Windows\System32\DriverStore\FileRepository\netl1c63x86.inf_x86_d621bdfe39a69f03\