http://bugs.winehq.org/show_bug.cgi?id=22812
--- Comment #9 from Saulius K. saulius2@gmail.com 2010-05-24 13:34:02 --- In reply to comment #8:
tried using native imagehlp.dll and the situation does not improve.
Just in case. Haven't you forget to override it's loading order to "native only" ?
In any case it would be interesting to see what dlls mt is loading. WINEDEBUG=+tid,+process,+loaddll env-variable would probably help you.