https://bugs.winehq.org/show_bug.cgi?id=46225
--- Comment #45 from Fabian Maurer dark.shadow4@web.de --- (In reply to Bryan Kirk from comment #44)
Would limiting its cpu usage fix anything?
You would need to ask the developer of the program. On windows it's using a full CPU core, and so it is on Wine. The CPU usage is exactly the same, no bug here. And I don't see a performance problem either.