Now, if we talk about fltmgr.sys, it is a file used by Windows to maintain various functions of files and hard drives.

Fltmgr.sys can be officially called Microsoft Filesystem Filter Manager, and it makes sure that data on the hard drive is not corrupted. If the data corruption has occurred and the file has become unreadable, System Service Exception (fltmgr.sys) error is likely to appear on the blue screen. This error probably comes up again if you do not apply the fixes explained in the blog.

So, let us find out how to prevent fltmgr.sys error one by one.

Fix SYSTEM_SERVICE_EXCEPTION (fltmgr.sys error)

Before we jot down any of the fixes for this blue screen error, try restarting your computer. Sometimes File System Manager does not load properly but restarting gives a chance to clear system’s RAM. If even after rebooting, you get the error message, follow the fixes mentioned below.

Fix 1: Safe Mode With Networking (Windows 10)

The first thing you need to do is enter safe mode. For this, follow the steps below.

Step 1: Turn off your computer.

Step 2: Turn on your PC by long-pressing the power button and as the log in Windows come up on the screen, long-press Power button to turn it off.]

Step 3: As you repeat the same steps, the screen will display ‘Preparing Automatic Repair’.

Step 4: Click on Advanced Options as Windows keep diagnosing the problem.

Step 5: On the next screen, click Troubleshoot. 

Step 6: Click Advanced Options and Startup Settings on the next screen.

Step 7: Finally, select Restart.

Step 8: Press 5 and you will be able to enable Safe mode with Networking.

And you will be able to solve the issue of system service exception (fltmgr sys). If you cannot, follow the next method.

Fix 2: Run SFC Scan (System File Checker)

System File Checker or SFC in Windows help in the system so that any missing or corrupted files are figured out. To fix system service exception (fltmgr sys) error, follow the steps mentioned below.

Step 1: Press Windows logo on the keyboard and type cmd here. Right-click on Command Prompt and choose Run as administrator. Click Yes.

Step 2:  In this window, type SFC/scannow and hit Enter.

Please be patient and give the system some time to figure out all the problems. Once done, restart the computer and check if fltmgr.sys error has been resolved.

Fix 3: Update All Your Drivers

Now, this is important that you keep all your drivers updated as an outdated or faulty driver may not be able to recognize the system the way it should have been. You can go for a manual method to update each driver, but it is a hectic process to update all of them one by one. Hence, you can switch to Smart Driver Care to update all the drivers in one go. You can try this tool for FREE, where one button can easily update all the drivers.

Step 1: Download Smart Driver Care on your desktop.

Step 2: Let it scan the system. Once scanned, click on Update All and you will find all the drivers made their connection with the system correctly.

Step 3: Restart the system and see if the error of SYSTEM_SERVICE_EXCEPTION (fltmgr.sys) is gone.

Fix 4: Find If Hardware & Hard Drives Are Working Properly

If your hard drives are not connected properly, or there is a fault in the system, the computer does not respond as it should have. To check the hardware issues, you can replace or remove the hardware and get it checked.

You should also keep a check on the noise or strange sounds that the system keeps making. Locate it on time and find if the hard drive has become readable now.

SYSTEM_SERVICE_EXCEPTION (fltmgr.sys) Error Sorted

We hope that this error has gone by now. For additional troubleshooting, you can try cleaning your registry and see the mistake vanishing away. However, the error will probably go away after trying out all the fixes. If yes, give us an upvote below and follow us on Facebook & YouTube for an everyday dose of technology.