Can I use Media Shuttle with Vista?
No, you can't use the plug-in on Vista. I have checked the requirements page, but there was nowhere specified about Windows Vista. Based on the information on page, you can install the plug-in on the following platforms:
Support page: https://shuttle.support.signiant.com/customer/en/portal/articles/2041379-media-shuttle-plugin-requirements?b_id=5205