Application SigmaKey

How to uninstall SigmaKey from your system

SigmaKey is a computer program. This page holds details on how to remove it from your PC. It was coded for Windows by GsmServer. You can find out more on GsmServer or check for application updates here. More info about the software SigmaKey can be found at . The application is frequently placed in the C:\Program Files\GsmServer\SigmaKey folder. Keep in mind that this location can differ depending on the user's decision. The full command line for uninstalling SigmaKey is MsiExec.exe /I{39B0991E-1502-48F6-BBFB-2DEC50C1A82A}. Keep in mind that if you will type this command in Start / Run Note you might get a notification for administrator rights. SigmaKey's primary file takes around 6.11 MB (6411121 bytes) and is called SigmaKey.exe.

SigmaKey contains of the executables below. They take 8.39 MB (8794533 bytes) on disk.

  • pcnsl.exe (548.95 KB)
  • SigmaKey.exe (6.11 MB)
  • setup.exe (1.13 MB)
  • SCPwrSet.exe (312.44 KB)
  • SCPwrSet.exe (312.34 KB)

The information on this page is only about version 2.15.02 of SigmaKey. For more SigmaKey versions please click below: to view all...
Some files, folders and registry data will not be uninstalled when you want to remove SigmaKey from your PC.

The files below remain on your disk by SigmaKey's application uninstaller when you removed it:
  • C:\Program Files\Firefox\
  • C:\Program Files\Firefox\SigmaKey.exe
  • C:\Program Files\Firefox\SigmaKey.gsm
  • C:\Users\UserName\AppData\Roaming\Microsoft\Internet Explorer\Quick Launch\User Pinned\StartMenu\SigmaKey.lnk
  • C:\Windows\Installer\{39B0991E-1502-48F6-BBFB-2DEC50C1A82A}\ARPPRODUCTICON.exe

Registry that is not cleaned:
  • HKEY_CURRENT_USER\Software\GsmServer\SigmaKey
  • HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Installer\Products\E1990B9320516F84BBBFD2CE051C8AA2
  • HKEY_LOCAL_MACHINE\Software\Microsoft\Tracing\SigmaKey_RASAPI32
  • HKEY_LOCAL_MACHINE\Software\Microsoft\Tracing\SigmaKey_RASMANCS
  • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Uninstall\{39B0991E-1502-48F6-BBFB-2DEC50C1A82A}

Open regedit.exe to remove the values below from the Windows Registry:
  • HKEY_CLASSES_ROOT\Installer\Features\E1990B9320516F84BBBFD2CE051C8AA2\SigmaKey_Files
  • HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Installer\Products\E1990B9320516F84BBBFD2CE051C8AA2\ProductName
  • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Installer\Folders\C:\Windows\Installer\{39B0991E-1502-48F6-BBFB-2DEC50C1A82A}\

How to uninstall SigmaKey with Advanced Uninstaller PRO

SigmaKey is a program offered by the software company GsmServer. Sometimes, users decide to uninstall it. Sometimes this is efortful because deleting this manually requires some skill related to PCs. The best SIMPLE action to uninstall SigmaKey is to use Advanced Uninstaller PRO. Here are some detailed instructions about how to do this:

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


2. Start Advanced Uninstaller PRO. Take your time to admire the program's design and wealth of features available. Advanced Uninstaller PRO is a very good package of tools.

3. Click on the General Tools category
Go to General Tools

4. Press the Uninstall Programs button
Go to Uninstall Programs

5. A list of the programs installed on the PC will be made available to you

6. Scroll the list of programs until you find SigmaKey or simply click the Search field and type in "SigmaKey". If it is installed on your PC the SigmaKey application will be found automatically. After you click SigmaKey in the list of programs, the following information regarding the program is made available to you:

  • Safety rating (in the left lower corner). The star rating tells you the opinion other users have regarding SigmaKey, from "Highly recommended" to "Very dangerous".
  • Opinions by other users - Click on the Read reviews button.
  • Technical information regarding the app you want to remove, by clicking on the Properties button.
For example you can see that for SigmaKey:

  • The web site of the program is:
  • The uninstall string is: MsiExec.exe /I{39B0991E-1502-48F6-BBFB-2DEC50C1A82A}
7. Click the Uninstall button. A confirmation dialog will come up. Confirm the removal by clicking Uninstall. Advanced Uninstaller PRO will automatically uninstall SigmaKey.
Uninstall SigmaKey

8. After uninstalling SigmaKey, Advanced Uninstaller PRO will ask you to run a cleanup. Press Next to go ahead with the cleanup. All the items of SigmaKey that have been left behind will be found and you will be able to delete them. By removing SigmaKey with Advanced Uninstaller PRO, you can be sure that no registry entries, files or folders are left behind on your PC.

Your computer will remain clean, speedy and able to serve you properly.

Geographical user distribution

  • Windows 7 (6.1)
  • Windows XP (5.1)
  • 10.0
  • Windows 8.1 (6.3)
Software Application


This page is not a piece of advice to remove SigmaKey by GsmServer from your PC, nor are we saying that SigmaKey by GsmServer is not a good application for your computer. This text only contains detailed info on how to remove SigmaKey supposing you want to. The information above contains registry and disk entries that our application Advanced Uninstaller PRO discovered and classified as "leftovers" on other users' computers.

2016-06-29 / Written by Dan Armano for Advanced Uninstaller PRO

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Last update on: 2016-06-29 12:41:20.530