What is unins000.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 unins000.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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Unins000.exe file information

Windows Task Manager with unins000
Unins000.exe process in Windows Task Manager

The process known as Setup/Uninstall or Inno Setup Uninstaller belongs to software Skype or K-Lite Codec Pack (version 3.5.3 Full) or Software Informer or AM-DeadLink or PC Ultra Speed or Disk Investigator or Inno Setup or Road Runner Medic by Jordan Russell (

Description: Unins000.exe is not essential for Windows and will often cause problems. Unins000.exe is located in a subfolder of "C:\Program Files". Known file sizes on Windows 8/7/XP are 679,681 bytes (11% of all occurrences), 722,782 bytes and 7 more variants. 
There is no description of the program. Unins000.exe is not a Windows core file. The program has no visible window. Unins000.exe is able to record keyboard and mouse inputs. Therefore the technical security rating is 39% dangerous, however you should also read the user reviews.
The software vendor offers the option to do the following:
  1) uninstall the program using the Control Panel ⇒ Add/Remove programs ⇒ Software Informer or K-Lite Codec Pack 3.5.3 Full
  2) consult Informer’s Customer Service
  3) check if there is a newer version available.

Recommended: Identify unins000.exe related errors

Important: Some malware camouflages itself as unins000.exe, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the unins000.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

unins000.exe is a process from Un-installation Service by Inno and part of Inno installation service.
It is an uninstaller created by the installation of some application that uses Inno Setup.
  Caleb   (further information)
I have uins000.exe in my Uniblue/Speed Up My Pc, that I downloaded as a trial offer. I then downloaded a free registry cleaner. Now I get unins000 error messages and cannot uninstall Speed Up My PC. From researching I have found this file is used by more than 1 software. All I want is a copy of it to put in the correct folder. I do not know if it is a generic exe or if it is tied to a certain folder. I just cant seem to find the answers.
  Ed Greenlee  
If you delete a unins000.exe or unins000.dat file you maybe can't uninstall a program.

Summary: Average user rating of unins000.exe: based on 4 votes with 4 user comments. One user thinks unins000.exe is essential for Windows or an installed application. 2 users think it's probably harmless. One user thinks unins000.exe is dangerous and recommends removing it. One user is not sure about it.

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Best practices for resolving unins000 issues

A clean and tidy computer is the key requirement for avoiding problems with unins000. 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 doing a repair of your installation, or in the case of Windows 8, 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 unins000.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

unins000.exe [all]