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The processes to install and upgrade Versago are described in the pages linked below.
Uninstall Versago via the standard Windows uninstall process in “Programs and Features” in Control Panel.
If you are also using Bizweaver and plan to continue to do so you will need to “reinstall” Bizweaver to set the Bizweaver web service port.
There may be situations where you need to return to the setup function.