What is TPHKSVC.exe?

The genuine TPHKSVC.exe file is a software component of On screen display Fn+Fx handler by Lenovo (Japan).
The Thinkpad On Screen Display utility for Windows displays the function keys on the desktop screen; and also provides some enhancements of ThinkPad function keys. With the latest versions of the ThinkPad Configuration Utility programs, the On Screen Display program must be installed with it's own setup program. Lenovo Hotkey Client Loader runs as a program that can be started by the Service Controller and obeys the service control protocol. This type of service runs in a process by itself.

TPHKSvc stands for ThinkPad Hot Key Service

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 TPHKSVC.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 TPHKSVC.exe related errors

TPHKSVC.exe file information

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

The process known as On screen display Fn+Fx handler belongs to software On Screen Display or On screen display by Lenovo Group ( or Lenovo (Japan) (

Description: TPHKSVC.exe is not essential for the Windows OS and causes relatively few problems. TPHKSVC.exe is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 55,936 bytes (26% of all occurrences), 142,696 bytes and 9 more variants. 
The program has no visible window. The TPHKSVC.exe file is a Verisign signed file. It is digitally signed. It is not a Windows system file. Therefore the technical security rating is 27% dangerous.

Uninstalling this variant: You could completely remove On Screen Display or Anzeige am Bildschirm (Control Panel ⇒ Uninstall a Program).

Recommended: Identify TPHKSVC.exe related errors

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

A clean and tidy computer is the key requirement for avoiding problems with TPHKSVC. This means running a scan for malware, cleaning your hard drive using cleanmgr and sfc /scannow, uninstalling programs that you no longer need, checking for Autostart programs (using msconfig) and enabling Windows' Automatic 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 resmon 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 DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the TPHKSVC.exe process on your computer, the following programs have proven to be helpful: Security 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. Malwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

TPHKSVC.exe [all]