What is mssmbios?

The genuine mssmbios.sys file is a software component of Microsoft System Management BIOS Driver by Microsoft.
The driver file for Microsoft System Management BIOS, this application allows your system to interface with the BIOS. Founded in 1975, Microsoft's flagship product is the Windows operating system, which is installed on over 90% of workstations worldwide.

MsSMBIOS stands for Microsoft System Management BIOS Driver

Mssmbios.sys is a Windows driver. A driver is a small software program that allows your computer to communicate with hardware or connected devices. This means that a driver has direct access to the internals of the operating system, hardware etc. The free file information forum can help you determine if mssmbios.sys is a Windows system file or if it belongs to an application that you can trust.

Run a free scan to check for mssmbios drivers in need of updating

Mssmbios.sys file information

The process known as System Management BIOS Driver belongs to software Microsoft System Management BIOS Driver or Microsoft Windows Operating System by Microsoft (

Description: The original mssmbios.sys is an important part of Windows and rarely causes problems. Mssmbios.sys is located in the C:\Windows\System32\drivers folder. Known file sizes on Windows 10/8/7/XP are 15,488 bytes (55% of all occurrences), 35,232 bytes, 28,240 bytes, 27,840 bytes or 32,608 bytes. 
The driver can be started or stopped from Services in the Control Panel or by other programs. The program has no visible window. The service has no detailed description. Mssmbios.sys is a trustworthy file from Microsoft. mssmbios.sys appears to be a compressed file. Therefore the technical security rating is 3% dangerous, however you should also read the user reviews.

Uninstalling this variant: If you run into problems with mssmbios.sys, you can do the following:

Recommended: Identify mssmbios.sys related errors

Important: Some malware disguises itself as mssmbios.sys, particularly when not located in the C:\Windows\System32\drivers folder. Therefore, you should check the mssmbios.sys process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.


User Comments

mssmbios.sys is Microsoft Windows system management BIOS driver that has two primary functions: To incorporate SMBIOS, ACPI, and CPU information to the crash dump file when a system crash occurs and To retrieve system identification information from SMBIOS and make it available to system components and applications. Should be located in the C:\Windows\System32\drivers directory.
  Kyle   (further information)
Necessary for retrieving system ID info from SMBIOS for system components and applications

Summary: Average user rating of mssmbios.sys: based on 3 votes with 2 user comments. 3 users think mssmbios.sys is essential for Windows or an installed application.

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Best practices for resolving mssmbios issues

A clean and tidy computer is the key requirement for avoiding problems with mssmbios. This means running a scan for malware, cleaning your hard drive using 1cleanmgr and 2sfc /scannow, 3uninstalling programs that you no longer need, checking for Autostart programs (using 4msconfig) and enabling Windows' 5Automatic Update. Always remember to perform periodic backups, or at least to set restore points.

Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the 6resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or, for Windows 8 and later versions, executing the 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the mssmbios.sys process on your computer, the following programs have proven to be helpful: ASecurity Task Manager displays all running Windows tasks, including embedded hidden processes, such as keyboard and browser monitoring or Autostart entries. A unique security risk rating indicates the likelihood of the process being potential spyware, malware or a Trojan. BMalwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

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