Fix wlluc48b.sys Blue Screen Error Step by Step

Frustrated by the wlluc48b.sys error message? Well, you should want to know what this wlluc48b.sys file is, what causes this error and the most important thing is how to fix this error. In this page, you will find all answers to your questions about this wlluc48b.sys and the methods to fix it.

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What's wlluc48b.sys File?

As its file extension denotes, wlluc48b.sys is a vital SYS file and it's a component of the software Agere Wireless Driver for Windows. developed by Windows Software Developer. The latest version of wlluc48b.sys file is and MD5 value is 212724e926b6b0cb41cadf579b9bf024. Agere Wireless Driver for Windows. and the Windows will generate wlluc48b.sys error when wlluc48b.sys file cannot be used due to the removal or corruption of wlluc48b.sys file. This error can be seen on Windows XP, Windows Vista, Windows 7, Windows 8 and Windows 10.

wlluc48b.sys file information:
File Name:   
   wlluc48b.sys (Free Scan)
File Description:   
   NDIS 5.1 Miniport Driver.
Product Name:   
   Agere Wireless Driver for Windows.
Product Version:
   Windows Software Developer
File md5:   
File type:   
   sys file
Security Level(0-5):   
OS Infected:   
   Download wlluc48b.sys Error Free Scan Tool

Why Do I Receive wlluc48b.sys Error?

SYS files like wlluc48b.sys file contain code needed to correctly load and configure Windows operating system. Also, they can be part of hardware drivers and contain various instructions to allow Windows to work flawlessly with hardware and devices.

SYS files run in the kernel-mode that is the highest possible privilege on Windows operating system. Without SYS files like wlluc48b.sys, it will be very difficult for your Windows system to run. Any error in these files can cause great harm and data loss.

Popular wlluc48b.sys Error Messages

  • PAGE_FAULT_IN_NONPAGED_AREA STOP 0×00000050 wlluc48b.sys.
  • NTFS_FILE_SYSTEM STOP 0×00000024 wlluc48b.sys.
  • DRIVER_IRQL_NOT_LESS_OR_EQUAL STOP 0×000000D1 wlluc48b.sys.
  • SYSTEM_SERVICE_EXCEPTION STOP 0×0000003B wlluc48b.sys

wlluc48b.sys blue screen errors usually happen when you install a new hardware or software. You may receive wlluc48b.sys blue screen errors when you run or close Agere Wireless Driver for Windows., start or shut down the computer, or use specific function of Agere Wireless Driver for Windows.. The time you encounter the error is very important to troubleshoot the problem.

Causes of wlluc48b.sys Error

wlluc48b.sys error can be caused by plenty of reasons. The following are the most common causes of wlluc48b.sys error.

  • Device drivers of wlluc48b.sys is not correctly installed and compatible.
  • The registry settings of wlluc48b.sys are changed or corrupted.
  • Computer malware attacked and damaged wlluc48b.sys file.
  • Other system files are damaged or corrupted after the software that uses wlluc48b.sys is installed.
  • There is a problem with your hard disk or memory (RAM).

How to Fix wlluc48b.sys Error?

Keep in mind, never download SYS files from SYS download websites, because they are not verified by their developers and may contain malicious code which lead to further damage to your computer system. We have listed several solutions to troubleshoot your wlluc48b.sys problem.

Method 1: Test for hard disk corruption.

Usually, wlluc48b.sys blue screen errors are caused by problems with your hardware devices or issues with low-level software running in the Windows kernel. Many reasons can cause errors on your hard disk, such as shutting down the computer irregularly, removing USB devices without using Safely Remove, and wrong version of device drivers. Fortunately, there is a utility called chkdsk (short for Check Disk) that can scan for errors and fix potential problems.


a. Open an elevated command prompt.

Windows Vista and Windows 7

Click Start, click All Programs, Accessories, and then right click Command Prompt and click Run as administrator.

command prompt windows 7

Windows 8, Windows 8.1 and Windows 10

Open Win X menu by holding Windows and X keys, and then click Command Prompt (Admin).

windows8 win x menu

b. After confirming the UAC prompt, type chkdsk /f in the Command Prompt and hit Enter.


c. Chkdsk is scanning your system and takes some time to complete the repair.

Method 2: Uninstall and then reinstall Agere Wireless Driver for Windows. causing wlluc48b.sys error.

If wlluc48b.sys error pops up when you're using Agere Wireless Driver for Windows., then it's worth trying to reinstall Agere Wireless Driver for Windows. or the program from Windows Software Developer.


Windows Vista, Windows 7 and Windows 10:

a. Click Start and click Control Panel.

start control panel windows 7

b. Click Uninstall a program.

win7 control panel programs and features

c. Look for Agere Wireless Driver for Windows. or the program from Windows Software Developer, right click on it and click Uninstall to uninstall it from your system.

uninstall software

d. After the uninstallation, restart your computer and then reinstall the software with your disc or the installer from the official website.

Windows 8 and 8.1:

a. Hover the cursor to the top right corner of the screen to bring up Charms bar and then click Search.

windows 8 charms bar search

b. Click Settings, type uninstall, and click Uninstall a program in the search results.

uninstall windows8

c. Look for Agere Wireless Driver for Windows. or the program from Windows Software Developer, right click on it and click Uninstall to uninstall it from your system.

uninstall software windows8

d. After the uninstallation, restart your computer and then reinstall the software with your disc or the installer from the official website.

Method 3: Run a virus scan.

Malware infection is one of the most popular cause of various computer problems like wlluc48b.sys error. Computer malware can make their way into the system, change system settings and corrupt system files. When this happens, Agere Wireless Driver for Windows. and Windows becomes more prone to wlluc48b.sys error and even malfunction.


a. Restart your system into Safe Mode with Networking.

b. Open your antivirus or antispyware program. (You can also use this recommended malware detect tool)

c. Run a full scan for your system.

d. After the scan completes, either quarantine or remove any detected malware.

e. Restart your system.

Method 4: Reinstall Windows system.

Reinstalling Windows is an easy yet time-consuming way to fix software problems on your computer. It will erase everything on your computer, including your files, programs installed, and computer settings. This should be the last choice to fix your wlluc48b.sys error, as it will take a lot of time to make things ready again. And this works only when this error is caused by software problem.

Method 5: Repair corrupted Windows registry.

As the most important part of Windows operating system, Windows registry is a place that stores all information and configurations of software and hardware. A problematic registry is one of the most common causes of computer errors like wlluc48b.sys error. Software installation, uninstallation, malware infection can make changes to the registry. Over time, more and more invalid entries are left and accumulated in the registry and then lead to various errors and problems. The registry needs regular maintenance to keep it tidy and stable. Manual editing the registry is not practical for people with no computer expertise, it's recommended that you use a registry cleaner to do this job.


Note: It requires certain computer knowledge to perform the above solutions. If you're not comfortable with this process, it's recommended that you download and run this automatic error fix utility to fix your PC problems automatically:

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Does wlluc48b.sys error still persist?

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