Fix wlbs.sys Blue Screen Error Step by Step

Frustrated by the wlbs.sys error message? Well, you should want to know what this wlbs.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 wlbs.sys and the methods to fix it.

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What's wlbs.sys File?

As its file extension denotes, wlbs.sys is a vital SYS file and it's a component of the software Microsoft(R) Windows(R) Operating System developed by Windows Software Developer. The latest version of wlbs.sys file is 5.2.3790.1830 and MD5 value is dd998018c9103ad5f60318d37db369f7. Microsoft(R) Windows(R) Operating System and the Windows will generate wlbs.sys error when wlbs.sys file cannot be used due to the removal or corruption of wlbs.sys file. This error can be seen on Windows XP, Windows Vista, Windows 7, Windows 8 and Windows 10.

wlbs.sys file information:
File Name:   
   wlbs.sys (Free Scan)
File Description:   
   Network Load Balancing Driver
Product Name:   
   Microsoft(R) Windows(R) Operating System
Product Version:   
   5.2.3790.1830
Company:   
   Windows Software Developer
File md5:   
   dd998018c9103ad5f60318d37db369f7
File type:   
   sys file
Security Level(0-5):   
   5
OS Infected:   
   Windows
Recommended:   
   Download wlbs.sys Error Free Scan Tool

Why Do I Receive wlbs.sys Error?

SYS files like wlbs.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 wlbs.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 wlbs.sys Error Messages

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

wlbs.sys blue screen errors usually happen when you install a new hardware or software. You may receive wlbs.sys blue screen errors when you run or close Microsoft(R) Windows(R) Operating System, start or shut down the computer, or use specific function of Microsoft(R) Windows(R) Operating System. The time you encounter the error is very important to troubleshoot the problem.

Causes of wlbs.sys Error

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

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

How to Fix wlbs.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 wlbs.sys problem.

Method 1: Test for hard disk corruption.

Usually, wlbs.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.

Steps:

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.

chkdsk

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

Method 2: Replace corrupted system files with System File Checker.

System File Checker is a utility integrated in Windows system to help users easily scan and replace corrupted system files which may include files related to wlbs.sys. If a "protected" file is modified or missing, this utility will restore it from a cached copy to ensure Windows work correctly.

Steps:

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 sfc /scannow in the Command Prompt and hit Enter.

sfc windows 7

c. System File Checker is scanning your system and takes some time to complete the repair.

Method 3: Run a virus scan.

Malware infection is one of the most popular cause of various computer problems like wlbs.sys error. Computer malware can make their way into the system, change system settings and corrupt system files. When this happens, Microsoft(R) Windows(R) Operating System and Windows becomes more prone to wlbs.sys error and even malfunction.

Steps:

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: Install Windows updates.

Computers and computer software can quickly become out-dated, so Microsoft keeps releasing updates in order to improve their security and fix technical glitches. Your wlbs.sys error may be fixed after you install all latest Windows updates.

Steps:

a. Go to the desktop of your system, right click on Computer and click Properties.

computer properties

b. In the left pane, click Windows Update.

windows update

c. In the Windows Update window, click Check for updates.

check for updates windows 7

d. If any update is found, click Install updates to install.

install updates windows 7

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 wlbs.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.

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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 wlbs.sys error still persist?

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