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Clean Uninstall Tosca Commander

This article shows how to cleanly uninstall Tricentis Tosca from your system.


Tricentis Tosca should be completely removed from a system to fix installation issues, in preperation for an upgrade, etc.

If you want to uninstall Tricentis Tosca Server please see this article.


Note: It is recommomended to backup files/settings prior to making any permanent changes to your Tosca installation. 

Some files and directories will persist after uninstalling Tosca Commander. To ensure you have a clean uninstall of commander you will need to manually delete these after uinstallation finishes. Below are the steps to complete a clean uninstall:

  1. Navigate to the "Windows Control Panel" > "Programs and Features" and select "Tricentis Tosca" 
  2. Select the Uninstall option and complete the wizard to start the uninstall process.
  3. (For removal of Tosca Commander on Windows Server) You may need to enable the use of 8.3 character length file names to be able to remove the application. Read this article for more details.

  4. (For users of Tricentis Tosca on versions 13.0 and later) Download the installation fix utility from this page and use it to uninstall the following entries if they appear:

    • DEX Agent

    • Tosca Data Integrity

    • Tosca BI

    • Tosca Testsuite ProductInfo

    • Tricentis Environment Settings

    • ToscaCommander

    • Tricentis TBox

    • Tricentis OpenSans Installer

    • TricentisClassicEngines

  5. After the uninstall has finished, remove all installation and user folders from the host. Note that these are examples based on the default install location, make sure to adapt them to your use case:
    • %ProgramFiles(x86)%\TRICENTIS\TOSCA Testsuite\
    • %ProgramData%\TRICENTIS\
  6. Remove the following environment variables
    • Every variable that starts with tosca
    • Every variable that starts with tricentis
  7. Open the following registry keys, and go through all subkeys. Remove each key that contains Tosca or Tricentis as publisher or display name
    • HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall
    • HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Uninstall\
    • HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall
    • HKEY_CURRENT_USER\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall\
  8. Restart your machine 


0 0

Parag Borawake

Created: 2017-11-16 08:29:51


I followed steps mentioned by you. The issue is still not resolved.Please let me know what to do.

0 0

Martin Karolyi

Created: 2017-11-28 11:33:36

Hi Parag, 

Since I am not sure about the actual issue, could you please get in touch with our support team?

Best regards,


0 0

Randy Emerson

Created: 2018-03-23 18:19:08

Please let me know if you resolved this issue. I'm having the same issue.

Randy Emerson

2018-03-23 17:19:42

My email is

0 0

Raja Yerra

Created: 2019-11-15 15:59:26

what issue you are facing? 

0 0

Pushpa Srinivas

Created: 2020-06-02 09:54:38

Followed same steps but still facing the same issue


0 0

Pushpa Srinivas

Created: 2020-06-08 10:42:57

Still facing the same issue

0 0

Jonathon Jurisch

Created: 2021-08-02 22:01:32

I was having issue uninstalling 13.4P1 to try and do an upgrade where it kept saying "Unable to find source installation file" when getting to Tosca Commander, and using the Microsoft Utility linked on the page resolved the issue. Thank you!