On Fri, 06 May 2005 17:53:46 +1200, Raimund Eimann wrote: > 0009:Call ntdll.RtlUnwind(406fd0b8,0040359e,406fbe78,00000000) ret=0040359e Can you do a +relay,+tid,+seh trace please? The problem seems to be that an exception is being thrown which unwinds past the USER syslevel - probably attempting to display an error box triggers the deadlock. thanks -mike