What is hdi.exe?

The genuine hdi.exe file is a software component of HardDriveIndicator by Optional Reaction.
Hdi.exe is an executable file that belongs to HardDriveIndicator, a program that adds an icon to the system tray indicating hard disk activity. This is not an essential Windows process and can be disabled if known to create problems. HardDriveIndicator features low memory and processor usage, a 5 bar resolution indicator for read and write operations, and the ability to auto-calibrate itself, ensuring that the output is always relative to the last sixty seconds' worth of disk usage. HardDriveIndicator is developed and maintained by Optional Reaction, a software development company founded by Keith Gordon.

HDI stands for Hard Drive Activity Indicator

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 hdi.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 hdi.exe related errors

Hdi.exe file information

There is no information about the producer in the process.

Description: Hdi.exe is not essential for Windows and will often cause problems. The file hdi.exe is located in a subfolder of C:\ or sometimes in a subfolder of the user's "Documents" folder or in a subfolder of the user's profile folder. The file size on Windows 10/8/7/XP is 153,600 bytes. 
There is an icon for this program on the taskbar next to the clock. The program has a visible window. The program has no file description. The file is not a Windows core file. Hdi.exe is able to record keyboard and mouse inputs. Therefore the technical security rating is 32% dangerous, however you should also read the user reviews.

Recommended: Identify hdi.exe related errors

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

Small (shareware or public domain?) Hard Disk Indicator stays resident in system tray. (But SPF told me (on 12/12/03) that it tried to "broadcast to []". - I denied it permission.)
  Ed Schmidt   (further information)
HID.EXE is an application that stays i the system tray and acts as a Hard Drive Activity Indicator, flashing as the Hard Drive is accessed.

Summary: Average user rating of hdi.exe: based on 2 votes with 2 user comments. One user thinks it's probably harmless. One user thinks it's neither essential nor dangerous.

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Best practices for resolving hdi issues

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

hdi.exe [all]