.bashrc not run in Cygwin

This can be caused by having HOME defined in Windows system/user environment. Thus say, when you do:

set HOME

... and if you get a response of "Home=D:\Home" for example then this can be fixed by:

cp -p /etc/defaults/etc/skel/.bash_profile ~

in Cygwin bash shell.

See also this link for more information.
ts