The latest mutt (has it been announced?) does not seems to contain the patch discussed in
http://www.cygwin.com/ml/cygwin/2003-02/msg01148.html http://cygwin.com/ml/cygwin/2002-11/msg00628.html and repeated below. Consequently it doesn't work on Win9x/ME. Pierre --- dotlock.c.orig 2003-10-20 22:11:36.000000000 -0400 +++ dotlock.c 2003-10-20 22:28:04.000000000 -0400 @@ -623,10 +623,14 @@ dotlock_lock (const char *realpath) while (hard_count++ < HARDMAXATTEMPTS) { - + int res; + BEGIN_PRIVILEGED (); - link (nfslockfile, lockfile); + res = link (nfslockfile, lockfile); END_PRIVILEGED (); + + if (!res) + break; if (stat (nfslockfile, &sb) != 0) {