I could only find version 5.02 and not version 5.01.
Here are some links to version 5.02:
http://click.alltheweb.com/go2/2/atw/1c308...conworkshop.exe
ftp://ftp.cyf-kr.edu.pl/pub/mirror/tucows...conworkshop.exe
http://click.alltheweb.com/go2/2/atw/1cDDE...conworkshop.exe
ftp://ftp.labyrinth.net.au/pub/tucows/fil...conworkshop.exe