What is ISFRealTimeD.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 ISFRealTimeD.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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ISFRealTimeD.exe file information

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

The process known as IntelliStor Realtime Daemon belongs to software Clarus ISFRealtimeD Module by Clarus (

Description: ISFRealTimeD.exe is not essential for the Windows OS and causes relatively few problems. ISFRealTimeD.exe is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 65,536 bytes (57% of all occurrences) or 77,824 bytes. 
The program is not visible. The process is loaded during the Windows boot process (see Registry key: User Shell Folders). ISFRealTimeD.exe is not a Windows system file. Therefore the technical security rating is 50% dangerous.

Uninstalling this variant: If you have any problems with ISFRealTimeD.exe, you can also turn to the software company, Clarussoft, for advice or safely remove the program using the uninstall program of Samsung Auto Backup (Control Panel ⇒ Uninstall a Program).

Recommended: Identify ISFRealTimeD.exe related errors

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

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

ISFRealTimeD.exe [all]