How to Fix llio.sys BSOD (Blue Screen of Death)

How to Fix llio.sys BSOD (Blue Screen of Death)

This post is based on how to fix llio.sys bsod (Blue Screen of Death). Our one client Complained us that when we install a software and his Windows 10 System Shuts down all of sudden when he works and displays the message as

“Your PC ran into a problem and needs a restart and we are collecting some error info”
WHAT FAILED:llio.sys

and sometimes he get the another message which is showing following below

“Your PC ran into a problem and needs a restart and we are collecting some error info”
WHAT FAILED:llio.sys

He was very upset to our services. He was asking that his system was working fine before software installation. When we install a software and he start getting this error. His thought that our software is corrupted, we asked him to uninstall that software but this error (llio.sys) did not fixed.

Both errors are different one stop code is PAGE_FAULT_IN_NON_PAGED_AREA and another Stop Code is SYSTEM_SERVICE_EXCEPTION but both errors what failed : llio.sys are same.


When we are working on computer, it is constantly loading programs and files into your computer’s random access memory (commonly called RAM). If your Windows computer runs out of RAM, or if your programs or files have been inactive for a long time, Windows starts moving data from RAM to the hard disk. These are stored in the paging file. If something is interfering with reading or writing to the page file. You are likely to get a blue screen of death (BSOD). This BSOD could be PAGE_FAULT_IN_NON_PAGED_AREA.


Microsoft is describe that System_Services_Exception can happen because a NULL pointer dereferenced or a random incorrect address was accessed. This in turn can be caused by memory being freed prematurely, or data structure corruption.

What is llio.sys

llio.sys is “Kernel mode support for low level I/O” driver. IT is developed by Quick Heal Antivirus and used in Quick Heal Antivirus. You can see this file in Quick Heal Antivirus installed directory.

How to Fix llio.sys BSOD

It can be fix by uninstalling Quick heal Anti virus software. uninstall your anti virus. If you want to protect your system to virus you can reinstall Quick heal anti virus, but use latest installation file. You can download this from quick heal official website with the help your product key.

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