What is fltmgr.sys?

It is a verified critical operating system file for Filter management from Microsoft Corporation.

Is fltmgr.sys a virus?

No, it is not a virus and there has been no reports of this file being forged by trojans or malwares. It is a 100% safe process and should not be modified unless absolutely necessary.

fltmgr.sys BSOD (Blue Screen Of Death)

Usually, fltmgr.sys cannot be patched or modified by any third party program or application as it is a restricted system file without any write access even to the administrators. So if you are facing this problem it means that the driver or software for any newly installed hardware is the sole cause for this problem.

Windows 7 users can usually fix this problem by simply running the repair procedure with the installation disk. For all other versions of windows including XP and server 2003, the fix is provided at the end of this article.

fltmgr.sys Location

You can find this system file under root directory of the operating system -

%SystemRoot%/System32/Drivers/FLTMGR.SYS

fltmgr.sys Error Address

The following addresses are usually shown under the error code:

C:\WINDOWS\Minidump\Mini041712-XX.dmp
C:\WINDOWS\Minidump\Mini030612-XX.dmp

All the Errors are usually shown under the following BUG Check String (Driver Cause) -

KERNEL_MODE_EXCEPTION_NOT_HANDLED (atapi.sys)
PAGE_FAULT_IN_NONPAGED_AREA (win32k.sys)

Fix fltmgr.sys BSOD Error

This is mostly triggered under dead lock situation under windows environment when two or more drivers/process are trying to access a single resource. You can try the following methods to fix this problem -

1. Restart Windows
2. Press F8 on the BIOS menu
3. Select Safe Mode
4. Log into Safe Mode
5. Disable recently installed Driver or Application
6. Select Restart
7. Log into Windows under Normal Mode

Important Note for Win 2000 Users: Install Windows 2000 SP4 (KB891861) and this should fix your problem

fltmgr.sys Download

As mentioned earlier this is a crticial system file. You should never download this file from any websites other than Microsoft. The official site too suggests everyone to use the repair option to reinstall this file. If you don’t have a recovery disk you can request one from the official Microsoft website. For any other problems you can connect with us from the comment section.