http://bugs.winehq.org/show_bug.cgi?id=30187
--- Comment #8 from Juan Lang juan.lang@gmail.com 2012-03-19 14:35:36 CDT --- Instructions for installing certs are Linux distro specific. Basically, wherever you have the system-wide certs installed, put a file with the cert in there. In Ubuntu, for instance, they're installed in /etc/ssl/certs.