Hi Rene, "Rene Gollent" <anevilyak@xxxxxxxxx> wrote: > I was trying to run SpaceMonitor on Haiku and got the following > backtrace: > Looper must be locked! [...] > As far as I remember, BWindows are supposed to construct themselves > locked...this shouldn't fail here, should it? BWindows are definitely locked, otherwise other apps would run into the same problem. Probably something unlocks the window somewhere - the source code of this application isn't available by any chance? Bye, Axel.