What is diskediag.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 diskediag.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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Diskediag.exe file information

Windows Task Manager with diskediag
Diskediag.exe process in Windows Task Manager

The process known as System Utilities belongs to software System Utilities by GP Systems Integration.

Description: Diskediag.exe is not essential for Windows and will often cause problems. The diskediag.exe file is located in the C:\Windows folder. Known file sizes on Windows 10/8/7/XP are 3,339,264 bytes (37% of all occurrences), 3,338,240 bytes and 5 more variants. 
The application starts upon Windows startup (see Registry key: MACHINE\Run). The diskediag.exe file is not a Windows system file. The program has no visible window. The diskediag.exe file is located in the Windows folder, but it is not a Windows core file. It can change the behavior of other programs or manipulate other programs. Diskediag.exe is able to record keyboard and mouse inputs and hide itself. Therefore the technical security rating is 64% dangerous, however you should also read the user reviews.

Uninstalling this variant: If you still experience problems with diskediag.exe, you could safely remove the program using the uninstall program of SSP (Control Panel ⇒ Uninstall a Program) or ask the developer, Gpsoftdev, for assistance.

Recommended: Identify diskediag.exe related errors

Important: Some malware camouflages itself as diskediag.exe. Therefore, you should check the diskediag.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

This file came with a security / keylogging program, System Surveillance Pro (along with a couple of other hidden gems). It's rather difficult to discover any information because it's meant to be hidden. If you intend to use the software it's essential. It has nothing to do with Windows. Due to the vast amount of misinformation regarding diskediag.exe I thought I'd pass this info on. It is not malware or malicious unless you're the one it was intended for.

Summary: Average user rating of diskediag.exe: based on 1 vote with 1 user comment. One user thinks it's neither essential nor dangerous.

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Best practices for resolving diskediag issues

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

diskediag.exe [all]