The recommended command line to uninstall Flowster Studio without the UI is
Msiexec /x <ProductCode> /passive
The ProductCode for Flowster Studio 5.3 is {9EF1427E-8F38-4C4C-B1A2-8828A470D13B}

So, in order to uninstall this product version, the command line will be Msiexec /x {9EF1427E-8F38-4C4C-B1A2-8828A470D13B} /passive

Additional parameters for the uninstall command line:
- DBREMOVEMAINENGINEDATA=1
  - Default: 0
  - Only usable when you uninstall a main engine installation.
  - Only recommended to use when the intention is to migrate the main engine to another server (different hostname).
  - By default, when uninstalling the main engine, the database entries referring to the server endpoints are not removed. This setting will allow those entries to be removed.
- UNBINDSSLCERT=1
  - Default: 0
  - To be used when one wants the ssl certificates to be unbound from the Flowster Studio service ports on uninstall.
- WEBAPPSREMOVECLIENT=1
  - Default: 0
  - Only usable when uninstalling an additional deployment that also had the WebApps feature installed and you want it removed. By default, uninstalling an additional deployment that contained WebApps will not remove its client from the database.
- WEBPORTALREMOVECLIENT=1
  - Default: 0
  - Only usable when uninstalling an additional deployment that also had the WebPortal feature installed and you want it removed. By default, uninstalling an additional deployment that contained WebPortal will not remove its client from the database.

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