Sorry about that. The site underwent some changes and as such the download link for many files has changed.

In many cases uses this main link and then adding the file name to the end will still allow older files to be downloaded.

http://kixhelp.com/wr/files/kixtart/

In your case this link should work.

http://kixhelp.com/wr/files/kixtart/kixcrypt305a.zip

Thanks