What is InstallValidator.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 InstallValidator.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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InstallValidator.exe file information

The process known as Install Validator for National Instruments Software or Installation Validator belongs to software LEGO MINDSTORMS (version EV3) or Antanda Installation Validator by National Instruments ( or

Description: InstallValidator.exe is not essential for the Windows OS and causes relatively few problems. The file InstallValidator.exe is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 265,096 bytes (50% of all occurrences) or 265,608 bytes. 
The program has a visible window. You can uninstall this program in the Control Panel. There is no description of the program. It is a Verisign signed file. The file has a digital signature. The software starts when Windows starts (see Registry key: MACHINE\Run, Run, DEFAULT\Run). It is not a Windows core file. InstallValidator.exe is able to monitor applications. Therefore the technical security rating is 0% dangerous.

Uninstalling this variant: You can also uninstall the program using the Control Panel ⇒ Uninstall a ProgramLEGO MINDSTORMS EV3.

Recommended: Identify InstallValidator.exe related errors

If InstallValidator.exe is located in a subfolder of the user's profile folder, the security rating is 50% dangerous. The file size is 280,064 bytes. The program is not visible. The process is loaded during the Windows boot process (see Registry key: MACHINE\Run, Run, DEFAULT\Run). It is not a Windows core file. InstallValidator.exe is able to connect to the Internet and record keyboard and mouse inputs.

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

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

InstallValidator.exe [all]