Bing is just as good - ‘google search’ is just the most common phrase.
[Just stay away from using Yahoo’s search engine 
.]
I got my UM-550 on ebay. It was no longer sold in stores.
If you’re having any issues at all with the MidiSport & Windows, then I’d bail on it.
Troubles now usually mean more troubles later on as well, even if you find a fix for it for now.