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Cannot boot into windows after malwarebytes scan that went wrong

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After installing Malwarebytes and launched a scan of my system on windows 10, my computer crashed. I restarted then got this message.

The operating system couldn't be loaded because a critical system driver is missing or corrupted. 

File \WINDOWS\system32\DRIVERS\MbamElam.sys

As i cant use my pc at all not even safe mode and can't format it as well or even launch windows with the "Disable early launch anti-malware protection" option. I get the green login screen without the possibility to login and everything is buggy


I really need my computer for work and can't use it at the moment. I have a USB key with windows on it but can't format my partition with it and i get errors with everything i try

Could you help me ?

thanks in advance,


Edited by AlexSmith
Cleaned up message formatting
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  • Staff

***This is an automated reply***


Thanks for posting in the Malwarebytes for Windows Help forum.

If you are having technical issues with our Windows product, please do the following:

Malwarebytes Support Tool - Advanced Options

This feature is designed for the following reasons:

  • For use when you are on the forums and need to provide logs for assistance
  • For use when you don't need or want to create a ticket with Malwarebytes
  • For use when you want to perform local troubleshooting on your own

How to use the Advanced Options:

  1. Download Malwarebytes Support Tool
  2. Double-click mb-support-X.X.X.XXXX.exe to run the program
    • You may be prompted by User Account Control (UAC) to allow changes to be made to your computer. Click Yes to consent.
  3. Place a checkmark next to Accept License Agreement and click Next
  4. Navigate to the Advanced tab
  5. The Advanced menu page contains four categories:
    • Gather Logs: Collects troubleshooting information from the computer. As part of this process, Farbar Recovery Scan Tool (FRST) is run to perform a complete diagnosis. The information is saved to a file on the Desktop named mbst-grab-results.zip and can be added as an email attachment or uploaded to a forum post to assist with troubleshooting the issue at hand.
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  • Root Admin

This is a generic article with different methods on how to boot into Safe Mode



The following shows how to Disable Early Launch Anti-Malware Protection in Windows 10


From there, you should be able to go back into Windows and do an uninstall of Malwarebytes and at that point we can check and see what's going on with the system causing the issue in the first place.


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Thanks for the info, i already tried both but it doesn't work. I'll show you with screenshots.

if i want to get further in safe mode i get back to following screen :


if i disable early launch anti malware protection i get a buggy green login screen that is zoomed in :


I managed to login once by tapping tab several times but onces logged in i only had my wallpaper and an infinite loading cursor



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  • Root Admin

Okay, great. We don't need to install Windows. We just need to insert that old USB stick into the computer and boot from it.

We want to boot into DOS and we'll rename, remove the driver that way

Let me know if you need help doing it all from DOS and I'll give you specific directions.


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  • Root Admin

Open Command Prompt at Boot in Windows 10


In most cases you'll be on the X: drive. Normally (but not always) the installation of your Windows will be on C:\ drive.

From the x: drive command prompt you'll want to enter the following

CD Windows\system32\drivers
REN MbamElam.sys MbamElam.OLD

Then restart the computer.

That driver will no longer exist to stop or prevent the boot into Normal Windows. From there we can check further.

Let me know if you need further directons


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  • Root Admin

Well that says the driver is not installed. So not sure how it's holding it up.

Okay, please get FRST from the link below. Then copy it to that USB stick. (you can pull it out, copy the FRST program and reinsert it)


Please download Farbar Recovery Scan Tool and save it to your USB stick.


Then save the following text file to the same location on the USB stick as the FRST program.


Then from DOS run the command to start or open FRST (typically x:\frst64.exe )

Then click the FIX button.

It should run and create a new log FIXLOG.txt on the USB stick. Please post that back when done.

It should now be able to boot into Normal Windows mode





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I did as you ask, remove the usb, launch my computer again to boot and same happened again. I swear Malwarbytes is installed on the computer. Have in mind computer crashed while beeing analysed by malwarebytes. Is it possible it deleted the antivirus at the same time ?

i also clicked on analyse with FRST. Do you need the text file ?

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