What is ctagent.DLL?

Ctagent.DLL is a Windows DLL file. DLL is the abbreviation for Dynamic Link Library. DLL files are needed by programs or web browser extensions, because they contain program code, data, and resources. The following information can help you determine if ctagent.DLL is a Windows system file or if it belongs to an application that you can trust.

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Ctagent.DLL file information

The process belongs to software ctagent by Creative Technology (

Description: Ctagent.DLL is not essential for the Windows OS and causes relatively few problems. Ctagent.DLL is located in the C:\Windows\System32 folder or sometimes in a subfolder of C:\Windows. Known file sizes on Windows 10/8/7/XP are 7,168 bytes (40% of all occurrences), 8,704 bytes, 57,344 bytes, 61,440 bytes or 12,800 bytes. 
A .dll file (Dynamic Link Library) is a special type of Windows program containing functions that other programs can call. This .dll file can be injected to all running processes and can change or manipulate their behavior. The program has no visible window. There is no detailed description of this service. It is not a Windows core file. It can change the behavior of other programs or manipulate other programs. Ctagent.DLL is able to record keyboard and mouse inputs. Therefore the technical security rating is 65% dangerous, however you should also read the user reviews.

Recommended: Identify ctagent.DLL related errors

Important: Some malware disguises itself as ctagent.DLL, particularly when not located in the C:\Windows\System32 folder. Therefore, you should check the ctagent.DLL 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

Creative Soundcard related file, harmless. So if you wanna risk sound troubles i suggest you let it run ;)
Its part of Creative Soundcard Driver, needed for better compatibility with some apps i use.
  Haci Muro  
Seems to monitor for the volume up/down buttons being pressed on a multimedia keyboard
part of Creative Labs software
Comes with Creative Soundcard Drivers/Software. Odd that it's rated SOO high though. More than likely, just leave it alone though. SAFE
A part of the sound card software/drivers
Creative Sound card compoenent
  Abdul Wahed El Gariani  
use the link and paste it over the one you're getting an error with.
  Rob   (further information)
More comments can be found here:
    (further information)

Rating chart

Summary: Average user rating of ctagent.DLL: based on 70 votes with 9 reviews. 52 users think ctagent.DLL is essential for Windows or an installed application. 5 users think it's probably harmless. 8 users think it's neither essential nor dangerous. 5 users suspect danger. One user is not sure about it.

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Best practices for resolving ctagent issues

A clean and tidy computer is the key requirement for avoiding problems with ctagent. 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 ctagent.DLL 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

ctagent.DLL [all]