What is CLMSServerPDVD12.exe?

The genuine CLMSServerPDVD12.exe file is a software component of CyberLink PowerDVD by CyberLink.
Cyberlink PowerDVD is a media playback application. CLMSServerPDVD12.exe runs a network service that enables other computers on a network to access media stored on the local computer. This is not an essential Windows process and can be disabled if known to create problems. Cyberlink PowerDVD is a media player developed to play Blu-ray and digital video discs (DVDs) for the Windows platform. The software is often shipped with optical drives and often comes preinstalled with computers manufactured by certain companies such as Acer. PowerDVD was originally released in 1998 and was one of the first Blu-ray 3D playback applications to receive certification from the Blu-ray Disc Association (BDA). 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.

CLMSServerPDVD12 stands for CyberLink Spark Media Services Server for PowerDVD (version 12)

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 CLMSServerPDVD12.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 CLMSServerPDVD12.exe related errors

CLMSServerPDVD12.exe file information

Windows Task Manager with CLMSServerPDVD12
CLMSServerPDVD12.exe process in Windows Task Manager

The process known as CyberLink Media Server Service belongs to software CyberLink PowerDVD (version 12) or CyberLink CLMSServer by CyberLink (

Description: CLMSServerPDVD12.exe is not essential for the Windows OS and causes relatively few problems. CLMSServerPDVD12.exe is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 298,760 bytes (56% of all occurrences), 296,232 bytes, 295,440 bytes or 294,664 bytes. 
The program is not visible. The file has a digital signature. CLMSServerPDVD12.exe is not a Windows core file. The file is a Verisign signed file. The process uses ports to connect to or from a LAN or the Internet. CLMSServerPDVD12.exe is able to monitor applications. Therefore the technical security rating is 33% dangerous.

Uninstalling this variant: You can uninstall CyberLink PowerDVD 12 or CyberLink Corp., or ask Support team for help. Go to CyberLink PowerDVD 12 or CyberLink Corp. in the Windows Control Panel (Software or Programs section) to uninstall it, or go to or for Customer Support.

Recommended: Identify CLMSServerPDVD12.exe related errors

Important: Some malware camouflages itself as CLMSServerPDVD12.exe, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the CLMSServerPDVD12.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.


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Best practices for resolving CLMSServerPDVD12 issues

A clean and tidy computer is the key requirement for avoiding problems with CLMSServerPDVD12. 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 CLMSServerPDVD12.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

CLMSServerPDVD12.exe [all]