How To Prevent fltmgr.sys Blue Screen Errors

The fltmgr.sys file is used to control one of the most important factors i.e, to help you retain the locations or addresses of those files and making sure that the addresses don’t change. You can see why it is so important to prevent any errors related to it.

It is officially known around the world as Microsoft Filesystem Filter Manager and the main function for this file is that it makes sure that the file is written on the proper location in the proper drive id and is not corrupted.

The fltmgr.sys BSOD errors on Windows 10 related to Microsoft Filesystem Filter Manager occur when the files on the system are unreadable due to various unforeseen circumstances such as the corruption or the damage of the file system manager. The communication between the hardware and the computer is hindered due to this driver error and this must be solved as soon as possible to prevent further damage.

This file is located in the C drive > Windows > System32 folder in case you are curious where it is.
fltmgr.sys bsod windows 10

We will cover up the most effective methods to solve this issue and we will make sure to help you fix this issue.

You should create a system restore point before proceeding further just to be safe and then boot into the Safe Mode so that no third party application hinders our troubleshooting and fixing.

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Fix fltmgr.sys Blue Screen Of Death (BSOD) Errors

FIX 1 – Restart

Yes! Some errors in a Windows machine can be solved by just restarting your machine.

The reason is that the HDD is incorrectly connected to the system and for the driver to operate properly, it is mandatory that your hard disk connects to the system in an error free form. Just restarting your machine will restart the driver process from scratch and help it re-establish a connection between your hardware and your operating system.

Meanwhile if you hear a beep sound from your system, you can simply hear the sound and check your motherboard model manual to confirm the beep pattern and determine the error.

In case the hardware is making strange noises you might have to call a technician to determine what the problem is.

FIX 2 – Checking the HDD along with the hardware

This is something which every person should check in order to determine whether it is the hardware that’s causing a ruckus or the software. Once you are done with troubleshooting the original issue, you can choose the right action to take.

FIX 3 – Cleaning the windows registry

Yeah! Most of the fltmgr.sys BSOD issues could be the indication that the registry has some error because the registry is responsible for storing the important data which is required for smooth operation of an application or the driver in our case. Therefore it is important that you clean the registry. If you don’t know how to clear your registry or correct the errors manually, you can just download the free open source pieces of softwares which are available for cleaning the registry and solving all the errors. Just search for a trusted reliable source (there are many available) and you will be good to go after setting it up and using it on your system.

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FIX 4 – Repair your system

If in case you tried all the methods listed here and it is still causing problems then the best path to take is to repair your windows operating system.

You can do that using the installation cd of your windows operating system and this is a solution which can never fail.


fltmgr.sys BSOD error on Windows 10 is a really serious problem and should be addressed as soon as possible to avoid any type of data corruption or damage. We have provided all the possible solutions and if you still feel that something is missing, do connect with us in the comment box below.

Thank you for reading this guide


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