Application 3CX PhoneSystem

A guide to uninstall 3CX PhoneSystem from your computer

3CX PhoneSystem is a computer program. This page is comprised of details on how to uninstall it from your computer. It was coded for Windows by 3CX. More information on 3CX can be found here. More information about the application 3CX PhoneSystem can be seen at . 3CX PhoneSystem is typically installed in the C:\Program Files (x86)\3CX PhoneSystem folder, however this location may differ a lot depending on the user's choice when installing the program. 3CXPhoneSystem.exe is the programs's main file and it takes close to 2.87 MB (3006464 bytes) on disk.

The following executables are installed alongside 3CX PhoneSystem. They occupy about 20.07 MB (21040396 bytes) on disk.

  • 3CXBackup.exe (172.00 KB)
  • 3CXCP.exe (1.56 MB)
  • 3CXFaxServer.exe (2.09 MB)
  • 3CXIvrServer.exe (1.68 MB)
  • 3CXMediaServer.exe (852.00 KB)
  • 3CXPhoneSystem.exe (2.87 MB)
  • 3CXPO.exe (1.52 MB)
  • 3cxServiceStarter.exe (20.00 KB)
  • 3CXSLDBServ.exe (448.00 KB)
  • 3CXTunnel.exe (1,016.00 KB)
  • 3CXVoiceMailScanner.exe (28.00 KB)
  • 3cxWizard.exe (372.00 KB)
  • CallHistoryUpdater.exe (48.00 KB)
  • CallLogsBackup.exe (16.00 KB)
  • UltiDevCassinWebServer2.exe (28.00 KB)
  • UltiDevCassinWebServer2a.exe (48.00 KB)
  • ecpg.exe (465.92 KB)
  • pg_ctl.exe (73.49 KB)
  • postmaster.exe (3.19 MB)
  • psql.exe (291.40 KB)
  • reindexdb.exe (72.25 KB)
  • vacuumdb.exe (58.56 KB)
  • vacuumlo.exe (39.95 KB) to view all...

The current web page applies to 3CX PhoneSystem version 7.0.4249.0 only. You can find below a few links to other 3CX PhoneSystem versions: to view all...
Some files, folders and registry entries can not be removed when you want to remove 3CX PhoneSystem from your computer.

Directories that were left behind:
  • C:\Program Files (x86)\3CX PhoneSystem
  • C:\ProgramData\Microsoft\Windows\Start Menu\Programs\3CX PhoneSystem
  • C:\Users\UserName\AppData\Roaming\3CX\3CX PhoneSystem

The files below remain on your disk by 3CX PhoneSystem's application uninstaller when you removed it:
  • C:\Program Files (x86)\3CX PhoneSystem\Bin\3CXBackup.exe
  • C:\Program Files (x86)\3CX PhoneSystem\Bin\3CXCP.exe
  • C:\Program Files (x86)\3CX PhoneSystem\Bin\3CXEventLog.dll
  • C:\Program Files (x86)\3CX PhoneSystem\Bin\3CXFaxServer.exe

Registry keys:
  • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Uninstall\{95A8C09A-2997-4550-A560-3B214557A878}
  • HKEY_LOCAL_MACHINE\Software\Wow6432Node\3CX\PhoneSystem

Open regedit.exe in order to delete the following values:
  • HKEY_CLASSES_ROOT\Installer\Products\A90C8A59799205545A06B31254758A87\SourceList\LastUsedSource
  • HKEY_CLASSES_ROOT\Installer\Products\A90C8A59799205545A06B31254758A87\SourceList\Net\1
  • HKEY_CLASSES_ROOT\TypeLib\{554106A6-4949-4AAD-9D7A-ED96CA1B7D11}\1.0\0\win32\
  • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Installer\Folders\C:\Program Files (x86)\3CX PhoneSystem\

How to erase 3CX PhoneSystem with the help of Advanced Uninstaller PRO

3CX PhoneSystem is a program marketed by 3CX. Sometimes, users choose to erase this program. This is difficult because doing this by hand requires some know-how related to removing Windows programs manually. The best SIMPLE procedure to erase 3CX PhoneSystem 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 PC, install it. This is good because Advanced Uninstaller PRO is an efficient uninstaller and all around tool to optimize your system.


  • navigate to Download Link
  • download the setup by clicking on the DOWNLOAD NOW button
  • install Advanced Uninstaller PRO
2. Start Advanced Uninstaller PRO. It's recommended to take your time to admire Advanced Uninstaller PRO's interface and wealth of features available. Advanced Uninstaller PRO is a very useful system utility.

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

4. Click on the Uninstall Programs tool
Go to Uninstall Programs

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

6. Navigate the list of programs until you find 3CX PhoneSystem or simply click the Search field and type in "3CX PhoneSystem". The 3CX PhoneSystem program will be found automatically. Notice that when you click 3CX PhoneSystem in the list of applications, the following data about the program is available to you:

  • Safety rating (in the left lower corner). The star rating explains the opinion other people have about 3CX PhoneSystem, from "Highly recommended" to "Very dangerous".
  • Opinions by other people - Click on the Read reviews button.
  • Details about the application you want to uninstall, by clicking on the Properties button.
7. Click the Uninstall button. A confirmation window will show up. accept the uninstall by pressing Uninstall. Advanced Uninstaller PRO will automatically remove 3CX PhoneSystem.
Uninstall 3CX PhoneSystem

8. After uninstalling 3CX PhoneSystem, Advanced Uninstaller PRO will ask you to run an additional cleanup. Press Next to start the cleanup. All the items that belong 3CX PhoneSystem which have been left behind will be found and you will be asked if you want to delete them. By uninstalling 3CX PhoneSystem with Advanced Uninstaller PRO, you can be sure that no registry items, files or directories are left behind on your system.

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

Geographical user distribution

  • Windows 7 (6.1)
Software Application


This page is not a piece of advice to remove 3CX PhoneSystem by 3CX from your computer, we are not saying that 3CX PhoneSystem by 3CX is not a good application for your PC. This page simply contains detailed instructions on how to remove 3CX PhoneSystem supposing you decide this is what you want to do. Here you can find registry and disk entries that other software left behind and Advanced Uninstaller PRO stumbled upon and classified as "leftovers" on other users' computers.

2015-05-09 / Written by Andreea Kartman for Advanced Uninstaller PRO

follow @DeeaKartman
Last update on: 2015-05-09 14:38:27.113