What is mysqld-nt.exe?

The genuine mysqld-nt.exe file is a software component of MySQL Server by MySQL.
The background process for the Windows MySQL (Structured Query Language) release, this application starts with Windows and supports a multitude of applications. Any software utilizing the functionality of a MySQL database will specifically call the process. The process can consume a large amount of system memory, depending on the size of the given database and how much is loaded into memory at any given time. The largest open source database in the world, MySQL is one of the leading choices for web developers needing relational database support.

mysqld-nt stands for MySQL Daemon - Network Technology

The .exe extension on a filename indicates an executable file. Executable files may, in some cases, harm your computer. Therefore, please read below to decide for yourself whether the mysqld-nt.exe on your computer is a Trojan that you should remove, or whether it is a file belonging to the Windows operating system or to a trusted application.

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Mysqld-nt.exe file information

Windows Task Manager with mysqld-nt
Mysqld-nt.exe process in Windows Task Manager

The process known as MySQL Server (version 5.0) or Indobilling Versi6 or WAMP5 1.6.1 or collectiveData Demo Products (version 5.1) or MySQL or VMSMySQL or Adobe Version Cue (version CS2)

belongs to software MySQL Servers and Clients or AppServ or ManageEngine EventLog Analyzer (version 7) or NolaPro By Noguska or MySQL Server or Adobe Common File Installer or HP ProCurve Manager or DecisionStudio Professional

by MySQL AB ( or Romain Bourdon (Roms) or collectiveData or Adobe Systems ( or

Description: Mysqld-nt.exe is not essential for the Windows OS and causes relatively few problems. Mysqld-nt.exe is located in a subfolder of "C:\" or sometimes in the C:\Windows\System32 folder or in a subfolder of "C:\Program Files\Common Files" or in a subfolder of the user's profile folder—usually C:\ or C:\mysql\bin\. Known file sizes on Windows 10/8/7/XP are 5,750,784 bytes (17% of all occurrences), 5,779,456 bytes and 35 more variants. 
The process is the SageDB 5.0 service.
There is no file information. The program is not visible. It is not a Windows core file. The application uses ports to connect to or from a LAN or the Internet. Therefore the technical security rating is 65% dangerous, but you should also take into account the user reviews.

Uninstalling this variant: If you are having problems with mysqld-nt.exe, you could do the following:
  1) uninstall MySQL Servers and Clients or AppServ software via Windows Control Panel/Add or Remove Programs (Windows XP) or Programs and Features (Windows 10/8/7)
  2) visit the vendor’s support site [1][2]
  3) look for a new, improved version [1][2].

Recommended: Identify mysqld-nt.exe related errors

Important: Some malware camouflages itself as mysqld-nt.exe, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the mysqld-nt.exe 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

Not sure if its evil per say, But it runs days on end and eats up CPU usage badly. Had to kill it to get CPU usage on vir-server to calm down.
  Matt Hermann  
Norton keeps giving me a high handles alert on this file. Not sure what it is doing.
related to Adobe cloud
Related to our Scholastic programs database
I've heard it's an important file for your USB Drive
normally, not dangerous. If present, without you even having xampp or anything related that installed it. we got a serious problem here.
sql-"D" present. clean format. did not install self. one or two bad sites visited recently..
MySQL Server for NT Systems, is a database server very powerful. The service is secure. The risk is if not properly defined user and paswword. It can cause remote handling to your mysql databases by intruders
More comments can be found here:
    (further information)

Rating chart

Summary: Average user rating of mysqld-nt.exe: based on 38 votes with 9 reviews. 31 users think mysqld-nt.exe is essential for Windows or an installed application. One user thinks it's probably harmless. 3 users think it's neither essential nor dangerous. One user suspects danger. 2 users think mysqld-nt.exe is dangerous and recommend removing it. 8 users don't grade mysqld-nt.exe ("not sure about it").

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Best practices for resolving mysqld-nt issues

A clean and tidy computer is the key requirement for avoiding problems with mysqld-nt. 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 mysqld-nt.exe 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

mysqld-nt.exe [all]