What is hldasvc.exe?

The genuine hldasvc.exe file is a software component of HDDLife Pro by BinarySense.
Hldasvc.exe is an executable file that runs the HDDLife Pro program, an application that provides users critical data about the condition of the computer's hard disk. This file is not a critical Windows component and should be removed if known to cause problems. HDDLife Pro is a monitoring tool built for the Windows platform that routinely checks the health of hard disks and warns users in case of imminent failure. The program reads S.M.A.R.T. (Self-Monitoring, Analysis and Reporting Technology) data from the hard disks and reports on different indicators regarding drive reliability in order to anticipate when the hardware might fail. HDDLife Pro supports multiple hard disks as well as external USB disks. BinarySense, Inc. is a small privately-owned company that specializes in developing utility software that monitor and analyze hard drives. The company has created numerous products that serve this purpose: HDDlife Pro, HDDlife for Notebooks and SSDLife - a utility that monitors the health of SSD drives.

Hldasvc stands for HDDlife hard drive access 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 hldasvc.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 hldasvc.exe related errors

Hldasvc.exe file information

Windows Task Manager with hldasvc
Hldasvc.exe process in Windows Task Manager

The process known as HDDlife HDD access service belongs to software HDDlife or HDDlife for Notebooks by BinarySense (

Description: Hldasvc.exe is not essential for the Windows OS and causes relatively few problems. Hldasvc.exe is located in a subfolder of "C:\Program Files\Common Files" or sometimes in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 832,760 bytes (41% of all occurrences), 841,544 bytes and 7 more variants. 
The program is not visible. Hldasvc.exe is a Verisign signed file. The hldasvc.exe file is digitally signed. The hldasvc.exe file is not a Windows system file. Hldasvc.exe is able to record keyboard and mouse inputs, hide itself and manipulate other programs. Therefore the technical security rating is 26% dangerous.

Uninstalling this variant: In case of any problems with hldasvc.exe, you can search the support area on the Hddlife website or completely remove HDDlife Pro or HDDlifePro (Control Panel ⇒ Uninstall a Program).

Recommended: Identify hldasvc.exe related errors

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

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

hldasvc.exe [all]