https://cygwin.com/pipermail/cygwin/2001-June/056641.html
Can regtool be used to rename a key?
used torenamekey
https://cygwin.com/pipermail/cygwin/2004-September/122767.html
regtool quoting variations on output
quotingvariationsoutput
https://cygwin.com/pipermail/cygwin/2010-July/189210.html
regtool -R?
r
https://cygwin.com/pipermail/cygwin/2004-January/111815.html
regtool freezes on XP (Was: Re: [ANNOUNCEMENT] Updated: cygwin-1.5.6-1)
https://cygwin.com/pipermail/cygwin/2005-February/129411.html
regtool - 1.8 - Core dump
coredump
https://cygwin.com/pipermail/cygwin/2015-September/223984.html
Regtool can't set default value?
set defaultvalue
https://cygwin.com/pipermail/cygwin-talk/2006q3/002835.html
FW: Issue using regtool on a 64-bit Windows host
on afwissueusingbit