On Thu, Apr 20, 2006 at 05:42:53PM -0500, Tom Rodman wrote: >not sure if this is a new tool..: > > http://support.microsoft.com/default.aspx?scid=kb;en-us;286470 Whether it is or not, cygwin doesn't directly use the Windows heap so I doubt that it would be useful for debugging cygwin apps. cgf