Avaya one-X® Communicator Avaya one-X® Communicator

A way to uninstall Avaya one-X® Communicator from your system

Avaya one-X® Communicator is a software application. This page is comprised of details on how to remove it from your computer. It was coded for Windows by Avaya Inc.. Further information on Avaya Inc. can be found here. Usually the Avaya one-X® Communicator application is to be found in the C:\Program Files (x86)\Avaya\Avaya one-X Communicator directory, depending on the user's option during install. You can uninstall Avaya one-X® Communicator by clicking on the Start menu of Windows and pasting the command line MsiExec.exe /I{4365AAC6-8057-4852-8E9C-CA088359C6C9}. Keep in mind that you might get a notification for admin rights. onexcui.exe is the Avaya one-X® Communicator's main executable file and it occupies close to 988.00 KB (1011712 bytes) on disk.

Avaya one-X® Communicator installs the following the executables on your PC, taking about 18.39 MB (19280691 bytes) on disk.

  • onexcengine.exe (14.23 MB)
  • onexcui.exe (988.00 KB)
  • QosServInst.exe (1.56 MB)
  • QosServM.exe (1.57 MB)
  • Uninstall.exe (65.80 KB)

The current web page applies to Avaya one-X® Communicator version only. You can find below info on other versions of Avaya one-X® Communicator: to view all...

A way to uninstall Avaya one-X® Communicator from your computer with Advanced Uninstaller PRO

Avaya one-X® Communicator is an application offered by the software company Avaya Inc.. Sometimes, users try to uninstall this program. This can be efortful because deleting this manually takes some skill related to PCs. The best SIMPLE action to uninstall Avaya one-X® Communicator 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, install it. This is good because Advanced Uninstaller PRO is a very potent uninstaller and general tool to maximize the performance of your Windows PC.


  • navigate to Download Link
  • download the setup by pressing the DOWNLOAD button
  • set up Advanced Uninstaller PRO
2. Run Advanced Uninstaller PRO. Take some time to admire Advanced Uninstaller PRO's interface and wealth of functions available. Advanced Uninstaller PRO is a very useful program.

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

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

5. All the applications existing on your PC will appear

6. Scroll the list of applications until you find Avaya one-X® Communicator or simply click the Search field and type in "Avaya one-X® Communicator". If it exists on your system the Avaya one-X® Communicator program will be found very quickly. When you select Avaya one-X® Communicator in the list of programs, some information about the application is shown to you:

  • Safety rating (in the lower left corner). The star rating explains the opinion other users have about Avaya one-X® Communicator, ranging from "Highly recommended" to "Very dangerous".
  • Reviews by other users - Click on the Read reviews button.
  • Technical information about the application you are about to remove, by pressing the Properties button.
7. Press the Uninstall button. A confirmation page will appear. Confirm the uninstall by clicking the Uninstall button. Advanced Uninstaller PRO will then remove Avaya one-X® Communicator.
Uninstall Avaya one-X® Communicator

8. After uninstalling Avaya one-X® Communicator, Advanced Uninstaller PRO will ask you to run an additional cleanup. Press Next to start the cleanup. All the items that belong Avaya one-X® Communicator that have been left behind will be found and you will be able to delete them. By removing Avaya one-X® Communicator with Advanced Uninstaller PRO, you are assured that no registry entries, files or folders are left behind on your disk.

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


This page is not a piece of advice to remove Avaya one-X® Communicator by Avaya Inc. from your PC, nor are we saying that Avaya one-X® Communicator by Avaya Inc. is not a good application. This text only contains detailed info on how to remove Avaya one-X® Communicator in case you want to. 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.

2017-05-08 / Written by Andreea Kartman for Advanced Uninstaller PRO

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Last update on: 2017-05-08 12:58:59.530