For answers to frequently asked questions look here: http://www.classicshell.net/faq/
If you don't find your answer in the FAQ, try the discussion forums: http://www.classicshell.net/forum/viewforum.php?f=6
Report bugs and feature requests in the development forums: http://www.classicshell.net/forum/viewforum.php?f=11
To contact the author directly send email to classicshell [at] ibeltchev [dot] com.
Please, do not use this email for technical support. Use the forums instead. You will get better help there.