Please continue the discussion here http://sourceforge.net/tracker/?func=detail&aid=2887711&group_id=153616&atid=788479 as it is about the very same problem.
Just one more comment. I will continue to comment on this bug in english, because there are more MOS users with the same problem who don't understand german. Hence this is the only viable way. Sorry folks...
I just uploaded new binaries for all systems which use a semaphore to prevent several concurring application from screwing up the log. No other functional changes.