@60Minutes I'd need the ticket ID to take a look too. But the stuff in the KB is solid and usually identifies issues with theme and plugin conflicts.
To see the JS error, go to the page in chrome for example, View > Developer > Jaavascript console. Errors will be listed.
Ideally what you should do in the future is setup a staging environment where you can test out new plugins, updates, and any other changes prior to making changes on your live site. That way you get piece of mind and can sort out issues with the respective developers before affecting your customers.