This error message can occur due to multiple versions of the ARIA player and ARIA engine present on macOS. Most commonly, this can be resolved by cleanly uninstalling each ARIA version and reinstalling the latest versions exclusively. To do so, please see the steps in the following article for initiating a clean reinstall of the ARIA components:

Uninstalling the ARIA Player and ARIA Engine


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    Jean TURGEON

    Safari can not open ARIA_Unistaller 1.020. It says that you must upgrade to be open by my Mac Sonoma 14.5 !

    Edited by Jean TURGEON