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I tried it with 13.1 and didn't get anywhere. The last debug I got while using Playonlinux with Wine seemed to say that it couldn't load/find dot net v4. A search suggested that a program called Mono would replace dot net. It didn't help, MS companion still crashed. It appears that the dot net is a basic requirement. Another search implied that you had to load dot net into Wine, but I don't know how.