A way to uninstall LEGO MINDSTORMS EV3 from your PC

This page is about LEGO MINDSTORMS EV3 for Windows. Here you can find details on how to remove it from your PC. The Windows version was developed by The LEGO Group. Further information on The LEGO Group can be seen here. The application is frequently located in the C:\Program Files (x86)\National Instruments\Shared\NIUninstaller directory (same installation drive as Windows). The complete uninstall command line for LEGO MINDSTORMS EV3 is C:\Program Files (x86)\National Instruments\Shared\NIUninstaller\uninst.exe. The program's main executable file has a size of 258.88 KB (265096 bytes) on disk and is named InstallValidator.exe.

The executable files below are part of LEGO MINDSTORMS EV3. They take an average of 3.13 MB (3280160 bytes) on disk.

  • InstallValidator.exe (258.88 KB)
  • nipie2.exe (62.55 KB)
  • uninst.exe (2.81 MB)

This web page is about LEGO MINDSTORMS EV3 version 1.0.0 only. Some files and registry entries are usually left behind when you remove LEGO MINDSTORMS EV3.

Directories that were found:
  • C:\Program Files (x86)\National Instruments\_Legal Information\LEGO MINDSTORMS EV3 Uninstaller 1.0.11 {5F3092B9-4240-4037-A287-BF6F9A2996BC}

Check for and delete the following files from your disk when you uninstall LEGO MINDSTORMS EV3:
  • C:\Program Files (x86)\National Instruments\_Legal Information\LEGO MINDSTORMS EV3 Uninstaller 1.0.11 {5F3092B9-4240-4037-A287-BF6F9A2996BC}\notice.txt
  • C:\Program Files (x86)\National Instruments\Shared\MDF\Manifests\LEGO MINDSTORMS EV3 Uninstaller {5F3092B9-4240-4037-A287-BF6F9A2996BC}.xml

Registry that is not uninstalled:
  • HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Installer\Products\AF6C981033373784E8B0A3B18E6E27B6

Use regedit.exe to remove the following additional registry values from the Windows Registry:
  • HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Installer\Products\AF6C981033373784E8B0A3B18E6E27B6\ProductName

A way to delete LEGO MINDSTORMS EV3 with the help of Advanced Uninstaller PRO

LEGO MINDSTORMS EV3 is an application marketed by The LEGO Group. Sometimes, users decide to uninstall it. Sometimes this is easier said than done because removing this manually takes some experience regarding removing Windows programs manually. The best EASY practice to uninstall LEGO MINDSTORMS EV3 is to use Advanced Uninstaller PRO. Take the following steps on how to do this:

1. If you don't have Advanced Uninstaller PRO on your PC, install it. This is a good step because Advanced Uninstaller PRO is an efficient uninstaller and general tool to clean your PC.


2. Start Advanced Uninstaller PRO. Take your time to admire Advanced Uninstaller PRO's interface and wealth of tools available. Advanced Uninstaller PRO is a very useful program.

3. Press the General Tools button
Go to General Tools

4. Press the Uninstall Programs feature
Go to Uninstall Programs

5. All the applications installed on your computer will be made available to you

6. Scroll the list of applications until you locate LEGO MINDSTORMS EV3 or simply click the Search feature and type in "LEGO MINDSTORMS EV3". If it exists on your system the LEGO MINDSTORMS EV3 application will be found very quickly. Notice that when you click LEGO MINDSTORMS EV3 in the list of programs, some information regarding the program is made available to you:

  • Star rating (in the left lower corner). This explains the opinion other users have regarding LEGO MINDSTORMS EV3, from "Highly recommended" to "Very dangerous".
  • Reviews by other users - Press the Read reviews button.
  • Technical information regarding the application you want to remove, by clicking on the Properties button.
7. Click the Uninstall button. A confirmation dialog will come up. accept the uninstall by pressing Uninstall. Advanced Uninstaller PRO will then remove LEGO MINDSTORMS EV3.

8. After removing LEGO MINDSTORMS EV3, Advanced Uninstaller PRO will offer to run a cleanup. Click Next to perform the cleanup. All the items that belong LEGO MINDSTORMS EV3 that have been left behind will be found and you will be asked if you want to delete them. By removing LEGO MINDSTORMS EV3 using Advanced Uninstaller PRO, you can be sure that no registry items, files or folders are left behind on your system.

Your computer will remain clean, speedy and ready to run without errors or problems.


Geographical user distribution

  • 10.0
  • Windows 7 (6.1)
  • Windows 8.1 (6.3)
  • Windows Vista (6.0)
  • Windows XP (5.1)
  • Windows 8 (6.2)
Software Application


This page is not a piece of advice to uninstall LEGO MINDSTORMS EV3 by The LEGO Group from your PC, we are not saying that LEGO MINDSTORMS EV3 by The LEGO Group is not a good software application. This text only contains detailed instructions on how to uninstall LEGO MINDSTORMS EV3 supposing you decide this is what you want to do. The information above contains registry and disk entries that other software left behind and Advanced Uninstaller PRO discovered and classified as "leftovers" on other users' PCs.

2016-06-19 / Written by Andreea Kartman for Advanced Uninstaller PRO

follow @DeeaKartman
Last update on: 2016-06-18 22:07:53.150