Fix Fltmgr.sys Blue Screen Error on Windows 10 & 11

Fix Fltmgr.sys Blue Screen Error on Windows 10 & 11

Users often report Windows update bugs, errors, and issues on Microsoft’s support forum. Lately, many users are running into an “Fltmgr.sys” blue screen error. If you are unaware of it, fltmgr.sys is one of the system files of Microsoft that makes sure the information is in its particular locations in the storage drive. If any of these files get corrupted or missing, it throws a blue screen error on your Windows 10 or 11. This error is known as “BSODs” or “Blue Screens of Death”. If you are stuck on the Fltmgr.sys error, don’t panic, as here we have tried to cover all possible solutions to fix this issue.

How to Fix Fltmgr.sys Blue Screen Error on Windows 10 & 11

The “fltmgr.sys” blue screen is a common error for Windows 10 and 11. Usually, it comes along with various other error codes like Page Fault NonPaged Area, Memory Management error, System Service Exception, and so on. Thankfully, there are several methods you can try to fix the problem.

1. Update Driver

One of the first methods you can try is to update all the drivers installed on the Windows system. For this:

– Open up the Device Manager window >> expand all sections to find out the corrupted drivers. Note: Corrupted drivers are marked with a yellow color.

– Right-click on the corrupted driver >> Select Update driver from the sub-menu and check if the error is gone or not.


Sometimes, when you run CHKDSK on your Windows 10 or 11, it can remove the fltmgr.sys blue screen error from the system.

– Open up Command Prompt as Admin

– Type the chkdsk C: /f /r /x

– Then the scan will start, and it will check your system’s C: drive. If the Windows is installed on another drive, simply replace the letter C with that particular drive.

– Lastly, restart your system and check if the error code fltmgr.sys is resolved or not.

3. Uninstall Security Software

Sometimes, third-party software causes issues and error messages on your Windows 10 or 11. It occurs when you use it along with Windows Defender. In that case, it is recommended to remove the anti-virus software installed. To do so:

– Press Ctrl + Shift + Esc and open up Task Manager

– Select the running anti-virus and then select End task.

– Right-click on Start button and next select Settings

– Select Apps & Features

– Find security software from the list and then click on Uninstall

– Lastly restart your system and the error should be fixed.

4. Run Blue Screen Troubleshooter

The next method includes running a blue screen troubleshooter on your Windows 10 or 11. The steps are quite easy and quick.

Open up the Settings menu >> select Update & Security >> select Troubleshoot and then lastly run the Troubleshooter which you will find next to the Blue Screen option.

5. Run SFC Tool

System File Checker (SFC) provides an admin the ability to scan all protected files to verify their versions. So, it will help you to resolve fltmgr.sys blue screen error from the system. To do that:

1. Open up the “Command Prompt” screen >> Next, paste or type the command Sfc / scannow.

Once it is done, again paste or type the following commands.

DISM /Online /Cleanup-Image /CheckHealth

DISM /Online /Cleanup-Image /ScanHealth

DISM /Online /Cleanup-Image /RestoreHealth

Once done, check your system and the issue will get resolved.

6. Scan the Drive

If nothing helped, your last resort is to scan the drive to fix the blue screen issue on your system drive. Here are the steps to follow.

– Open up the File Explorer >> select This PC >> right click on System drive >> select Properties.

– Next, select the Tools tab >> click on the “Check” button under the “Error Checking” and then select the “Scan drive” option.

– The scanning process may take a bit longer. If you find the error, simply follow the instructions and the error code will erase.

That’s all we have. Hopefully, you have successfully fixed the frlmgr.sys issue on your Windows 10 or 11 by now. 

Read more: How to fix update KB5017026 and KB5017321 not installing on Windows 11.

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