What is IHU1.tmp.exe?

The genuine IHU1.tmp.exe file is a software component of Motive SmartBridge by Alcatel-Lucent.
IHU1.tmp.exe is an executable file that belongs to Motive SmartBridge, a troubleshooting software used by many Internet service providers (ISPs) to diagnose and fix problems with end-user Internet connections. This is not a critical Windows component and should be removed if known to cause problems.

Motive SmartBridge is usually automatically installed on user computers when setting up a new Internet service, however, it is more useful for the ISP than for the user, and should be disabled. The program provides an easy way for companies to troubleshoot end-user Internet connection problems.

Lucent Technologies, Inc. was an American company that developed telecommunications equipment. It was founded in 1996 after the selling-off of AT&T Technologies, a unit of the AT&T Corporation. The company is currently known as Alcatel-Lucent after the merger with Alcatel SA of France in 2006. The company was based in Murray Hill, New Jersey, United States.

IHU1 stands for Install Helper U1

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 IHU1.tmp.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.

Click to Run a Free Scan for IHU1.tmp.exe related errors

IHU1.tmp.exe file information

The process known as InstallHelper belongs to software InstallHelper by Alcatel-Lucent (

Description: IHU1.tmp.exe is not essential for the Windows OS and causes relatively few problems. IHU1.tmp.exe is located in a subfolder of the user's profile folder (mostly C:\Users\USERNAME\Local Settings\Temp\). Known file sizes on Windows 10/8/7/XP are 552,960 bytes (66% of all occurrences) or 751,416 bytes. 
The program has no visible window. IHU1.tmp.exe is not a Windows core file. The program has no file description. The software is loaded during the Windows boot process (see Registry key: MACHINE\Run). IHU1.tmp.exe is able to manipulate other programs. Therefore the technical security rating is 43% dangerous.

Recommended: Identify IHU1.tmp.exe related errors

Important: Some malware camouflages itself as IHU1.tmp.exe, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the IHU1.tmp.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 IHU1 issues

A clean and tidy computer is the key requirement for avoiding problems with IHU1. This means running a scan for malware, cleaning your hard drive using 1cleanmgr and 2sfc /scannow, 3uninstalling programs that you no longer need, checking for Autostart programs (using 4msconfig) and enabling Windows' 5Automatic 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 6resmon 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 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

To help you analyze the IHU1.tmp.exe process on your computer, the following programs have proven to be helpful: ASecurity 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. BMalwarebytes Anti-Malware detects and removes sleeping spyware, adware, Trojans, keyloggers, malware and trackers from your hard drive.

Other processes

IHU1.tmp.exe [all]