What is CLMLServer.exe?

The genuine CLMLServer.exe file is a software component of CyberLink Media Suite by CyberLink.
CyberLink Media Suite is a suite of software applications designed for media playback, editing and image burning. CLMLServer.exe runs a process that updates media information in the library accessed by PowerDVD and Power Cinema. This is not an essential Windows process and can be disabled if known to create problems. CyberLink Media Suite contains desktop programs such as PowerDVD, MediaShow, PowerDirector, PhotoDirector, PowerProducer, Power2Go, PowerBackup, PowerDVD Copy, LabelPrint, MediaEspresso, and InstantBurn, as well as mobile applications such as PowerDirector Mobile, PhotoDirector Mobile, and Power Media Player for the Windows, Android and iOS platforms. These programs are designed for media playback, editing, copying and conversion. CyberLink Corporation is a Taiwanese company that develops multimedia software products such as PowerDVD, MediaShow, Power Director, and more Cyberlink was founded in 1996 by Dr. Jau Huang, a professor at the National Taiwan University. In 2000, CyberLink became a publicly traded company, featuring on the Taiwanese stock exchange. Cyberlink is listed among the "200 Best under a Billion" companies by Forbes. It is currently headquartered in New Taipei, Taiwan.

CLMLServer stands for CyberLink Media Library Server

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 CLMLServer.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.

Click to Run a Free Scan for CLMLServer.exe related errors

CLMLServer.exe file information

Windows Task Manager with CLMLServer
CLMLServer.exe process in Windows Task Manager

The process known as NT CLMLServer belongs to software Cyberlink Media Library Server or CyberLink Media Library Service by Cyberlink (

Description: CLMLServer.exe is not essential for Windows and will often cause problems. The CLMLServer.exe file is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 1,073,152 bytes (57% of all occurrences), 61,440 bytes, 1,081,344 bytes, 24,576 bytes or 1,076,832 bytes. 
The program has no visible window. The file is not a Windows system file. The process uses ports to connect to or from a LAN or the Internet. Therefore the technical security rating is 54% dangerous; however you should also read the user reviews.

Uninstalling this variant: If problems with CLMLServer.exe come up, you can also uninstall the program using the Control Panel ⇒ Uninstall a ProgramPowerCinema / ASUS MyCinema, get help from the software vendor Cyberlink or verify that you have installed the latest version.

Recommended: Identify CLMLServer.exe related errors

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

CLMLServer.exe is a part of Cyberlink Media Library Server (I have Medion PC).Some malware camouflage themselves as CLMLServer.exe, especially if they are in c:\windows or c:\windows\system32 folder
its a file from cyberlink media library ..its not dangerous.i have it to
Powercinema server for nt-services for the powercinemaprogramm
Power Cinema (DVD player)
This process has caused me an enormous headache by completely slowing up my AOL connection. Once I stopped it, everythng seems to be fine again.
CyberLink is used for various programs. If you want to use the program guide, then you need this running.
comes with power cinema update patch

Rating chart

Summary: Average user rating of CLMLServer.exe: based on 12 votes with 7 user comments. 4 users think CLMLServer.exe is essential for Windows or an installed application. 3 users think it's probably harmless. 3 users think it's neither essential nor dangerous. 2 users think CLMLServer.exe is dangerous and recommend removing it.

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Best practices for resolving CLMLServer issues

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

CLMLServer.exe [all]