WhosOn Client
A way to uninstall WhosOn Client from your computer
You can find on this page details on how to remove WhosOn Client for Windows. It is developed by
Parker Software. Take a look
here where you can get more info on Parker Software. You can see more info about WhosOn Client at
https://www.whoson.com. The application is usually placed in the C:\Program Files (x86)\WhosOn Installable folder (same installation drive as Windows). You can uninstall WhosOn Client by clicking on the Start menu of Windows and pasting the command line C:\ProgramData\Caphyon\Advanced Installer\{3318CB35-020E-4743-999C-A0E223935D4A}\WhosOnClient2019.exe /x {3318CB35-020E-4743-999C-A0E223935D4A} AI_UNINSTALLER_CTP=1. Keep in mind that you might receive a notification for administrator rights. The application's main executable file occupies 4.00 MB (4196088 bytes) on disk and is named WhosOnClient2018.exe.
The following executables are incorporated in WhosOn Client. They take 8.00 MB (
8392440 bytes) on disk.
- WhosOnClient2018.exe (4.00 MB)
- WhosOnClient2018.exe (4.00 MB)
The current page applies to WhosOn Client version
19.0.0.544 alone. You can find here a few links to other WhosOn Client releases:
A way to erase WhosOn Client with the help of Advanced Uninstaller PRO
WhosOn Client is an application offered by Parker Software. Sometimes, people try to uninstall it. Sometimes this can be difficult because uninstalling this manually requires some skill regarding Windows program uninstallation. One of the best SIMPLE practice to uninstall WhosOn Client is to use Advanced Uninstaller PRO. Take the following steps on how to do this:
1. If you don't have Advanced Uninstaller PRO on your Windows system, add it. This is a good step because Advanced Uninstaller PRO is a very useful uninstaller and general utility to maximize the performance of your Windows computer.
DOWNLOAD NOW- visit Download Link
- download the program by clicking on the green DOWNLOAD NOW button
- set up Advanced Uninstaller PRO
2. Run Advanced Uninstaller PRO. Take some time to get familiar with the program's design and number of functions available. Advanced Uninstaller PRO is a very good PC management program.
3. Press the General Tools category

4. Click on the Uninstall Programs feature

5. A list of the programs installed on the PC will be made available to you
6. Navigate the list of programs until you locate WhosOn Client or simply activate the Search field and type in "WhosOn Client". If it exists on your system the WhosOn Client program will be found very quickly. Notice that when you select WhosOn Client in the list of applications, the following data about the application is available to you:
- Star rating (in the lower left corner). This tells you the opinion other people have about WhosOn Client, ranging from "Highly recommended" to "Very dangerous".
- Opinions by other people - Press the Read reviews button.
- Details about the app you want to remove, by clicking on the Properties button.
For example you can see that for WhosOn Client:
- The web site of the program is: https://www.whoson.com
- The uninstall string is: C:\ProgramData\Caphyon\Advanced Installer\{3318CB35-020E-4743-999C-A0E223935D4A}\WhosOnClient2019.exe /x {3318CB35-020E-4743-999C-A0E223935D4A} AI_UNINSTALLER_CTP=1
7. Press the Uninstall button. A confirmation window will appear. accept the uninstall by clicking the Uninstall button. Advanced Uninstaller PRO will automatically remove WhosOn Client.

8. After uninstalling WhosOn Client, Advanced Uninstaller PRO will ask you to run a cleanup. Press Next to proceed with the cleanup. All the items that belong WhosOn Client which have been left behind will be detected and you will be asked if you want to delete them. By removing WhosOn Client using Advanced Uninstaller PRO, you are assured that no registry items, files or folders are left behind on your disk.
Your PC will remain clean, speedy and able to serve you properly.
Disclaimer
The text above is not a recommendation to remove WhosOn Client by Parker Software from your PC, nor are we saying that WhosOn Client by Parker Software is not a good application for your PC. This text simply contains detailed instructions on how to remove WhosOn Client in case you want to. Here you can find registry and disk entries that other software left behind and Advanced Uninstaller PRO discovered and classified as "leftovers" on other users' PCs.
Last update on: 2025-07-14 12:13:07.053