What is fontdrvhost in Windows 10 – Is it a Malware?

Well, Windows users are able to enjoy different fonts on their documents, emails, files, presentations, and many other text files, thanks to the Font driver host or fontdrvhost.exe actually. Fontdrvhost.exe is a genuine system file and is actually a core component of the Windows font driver management process on Windows operating systems. Let’s now discuss What is fontdrvhost in Windows 10 – Is it a Malware?

Well, jumping right to the end everything is fine; it is not actually a virus. If you have Windows 10 and the latest updates, then you don’t need to worry about fontdrvhost.exe. The Usermode Font Driver Host (fontdrvhost.exe) is an executable that is created by Microsoft and also built into the core OS.

What is fontdrvhost.exe?

Fontdrvhost.exe is basically an important part of the Windows 10 OS as it manages the font drivers on the device’s user account. This process actually runs on all Windows operating systems along with administrative privileges. As it is launched as Administrator whenever Windows 10 loads. Thus, Windows 10 considers fontdrvhost.exe as the host for special font drivers actually. You can find it running on the Task Manager under Usermode Font Driver Host.


Because it is a root process, the fontdrvhost.exe is located in the C:\Windows\System32\ folder. Due to this, the fontdrvhost.exe process should not be killed, otherwise, it will affect the normal operation of Windows actually.

Well, the file fontdrvhost.exe on Windows 10 (1909 version) is of size 802KB, located in the C:\Windows\System32 folder. Microsoft has signed the file as well.

UMFD-0, What is that?

Well, in Task Manager under tab Details and locating fontdrvhost.exe, you guys will on updated Windows 10 systems see that the executable runs under user name UMFD-0.

UMFD-0 is actually a system account generated via the User Mode Driver Framework component, and it also got limited permission only for the font tasks it wants to execute. You cannot log in as an UMFD-0 user on a system as it doesn’t even have permission in order to run an explorer.exe process.

Also the Security Identifier (SID) of these accounts always starts with S-1-5-96-0. (As compared to a standard user account that starts with S-1-5-21). In order to find out about SID for your standard local accounts you guys can go in an elevated cmd.exe run the following command:

wmic useraccount list full

What Are EXE Files?

.exe file are really important files that are responsible for many functions running in the Background. When you are working on a system. Fontdrvhost.exe is one of these files and it is impossible to run any command onto the system without its presence actually.

Most of the time, a .exe file may harm your PC because malware also exists with the same extension. So before you use any software, you must distinguish between whether the software at hand is a malware or an original file of your operating system actually. If it is a virus, it re-propagates itself whenever you double-tap on it.

Ways that virus spreads

Malware is mostly a sophisticated piece of software that is designed for malicious deeds. Like financial information stealing, money extortion, spying, that includes the machine into a botnet, redirecting users to malicious sites for ad revenue, as well. Regardless of what it is set up to, you actually do not want it on your computer, and also you should do everything to make sure to avoid its entry.


Malware can spread in many ways, that includes exploits, fake updates, spam emails, web injects, drive-by downloads, and many other methods as well. Therefore, it is vital to make sure comprehensive security measures combined along with careful internet browsing habits. Let’s see some tips from industry experts:

  • Just always update your operating system along with the installed programs as soon as new patches are out;
  • Never download pirated software or cracks or keygens;
  • When you install new software from third-parties, make sure you dispense of all the “Optional” installs;
  • Use complicated passwords whenever protecting your accounts and never reuse them as well;
  • When you use Remote Desktop, prevent the default port 3389;
  • Install reputable anti-malware software and also setup daily scans to be performed;
  • Backup your personal files on an external drive or online storage as well.

Recognize the genuine file of fontdrvhost.exe in Windows 10

Some Trojan files also exist with the same extension in order to hack your data and try to destroy it. In that case, it is really difficult to identify the original and fishy fontdrvhost.exe file actually. All you have to do is just Go to Task Manager, find fontdrvhost.exe, right-click on this file and then tap on ‘Open file location’. If the path is C:\Windows\System32, then there is nothing to worry about actually. The file in concern is a genuine file. It consumes very little of your CPU storage as well.

But, if it exists somewhere else, it might be malware and you have to remove this file from your system via a Standard Anti-virus. If you find fontdrvhost.exe in Windows 10 is malware, then it may create these types of errors

Application error: – This file may corrupt many application programs running on your PC. The common problems which you might face are “inconvenience while searching”, “error in stop running program”, “win32 application not valid”, “corrupted file found”, “fault application path” as well, so be careful.

System error: – This file may corrupt different system software programs or the operating system like windows, registry keys, firewalls as well.

More information on fontdrvhost.exe file

File description – Usermode Font Driver Host
Type – Application
Size – 768 KB
Original filename –  Fontdryhost.exe
Copyright – Microsoft® Windows® Operating System


Is Fontdrvhost.exe a Virus?

Well, technically, Fontdrvhost.exe is actually a legitimate Windows process that you should not be wary of. It is normal to find the fontdrvhost.exe running in the background as soon as the operating system is loaded as well. But, if you see two instances of ontdrvhost.exe running in Task Manager. Then something is wrong somewhere as well. One of those processes is definitely fake and it can be a virus.

If you guys want to determine if the fontdrvhost.exe process running on your computer is malicious. Then you have to follow these instructions:

  • Tap and hold Ctrl + Shift + Esc together.
  • Whenever the Task Manager loads, tap on More details.
  • Scroll down in order to find the Usermode Font Driver Host entry.
  • Right-tap on the process and select Properties.
  • Tap on the General tab, then check out the Location section as well. Or you can also right-click on the process and tap on Open File Location.

Well, if the folder that opens is not the C:\Windows\System32\ folder, then there is a huge chance that the process is malicious actually.

Can you Remove Fontdrvhost.exe?

The legitimate Fontdrvhost.exe file should never be deleted since it is a core Windows process. You’ll probably encounter errors whenever running applications on Windows, specifically those programs that depend heavily on the fontdrvhost.exe process. Like Microsoft Word, Excel, PowerPoint, email clients, messaging apps, and many others.

But, if you determined that the fontdrvhost.exe process on your PC is malicious, then you should delete it as soon as possible. You might be thinking about how the fontdrvhost.exe process became malicious, the answer is really simple. The malware operates through imitating legitimate processes and programs running on the device. It could be adware, spyware, a virus, or a worm, relying on how the process behaves.

You should also watch out for the signs of malware infection, like:

  • Sluggish performance
  • Too many ads popping up
  • Malicious apps installed on your device
  • Mysterious changes to your browser
  • Files suddenly delete or appear

If you guys notice these symptoms and you suspect the Fontdrvhost.exe process to be malicious. Then you should get rid of it immediately from your computer.


You are good to go. If you have any queries and issues related to this article then let us know in the comments section below.

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