The installed file harddisksentinelupdate.exe is the auto-update component of the program which is designed to check for software updates and notify and apply them when new versions are discovered. The setup package generally installs about 40 files and is usually about 28.25 MB (29,617,158 bytes). The primary executable is named HDSentinel.exe. A scheduled task is added to Windows Task Scheduler in order to launch the program at various scheduled times (the schedule varies depending on the version). Delaying the start of this service is possible through the service manager. It adds a background controller service that is set to automatically run. Manually stopping the service has been seen to cause the program to stop functing properly.

Upon being installed, the software adds a Windows Service which is designed to run continuously in the background.

During setup, the program creates a startup registration point in Windows in order to automatically start when any user boots the PC. The most common release is 4.60, with over 1% of all installations currently using this version. Hard Disk Sentinel is a software program developed by HDS.

Download harddisk sentinel