What is HiYo.exe?

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 HiYo.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.

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HiYo.exe file information

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

The process known as HiYo or HiYo MFC Application belongs to software HiYo or HiYo Application by IncrediMail ( or IncrediMail - Certified Microsoft Partner.

Description: HiYo.exe is not essential for the Windows OS and causes relatively few problems. The file HiYo.exe is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 300,336 bytes (50% of all occurrences), 143,360 bytes and 5 more variants. 
There is no description of the program. The program has no visible window. The process starts when Windows starts (see Registry key: MACHINE\Run). The HiYo.exe file is not a Windows core file. You can uninstall this program in the Control Panel. The HiYo.exe file is a Verisign signed file. The file is digitally signed. The software listens for or sends data on open ports to a LAN or the Internet. HiYo.exe is able to monitor applications. Therefore the technical security rating is 36% dangerous.

Uninstalling this variant: You can also do the following:
  1) uninstall HiYo software via Windows Control Panel/Add or Remove Programs (Windows XP) or Programs and Features (Windows 10/8/7)
  2) visit the website.

Recommended: Identify HiYo.exe related errors

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

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

HiYo.exe [all]