http://bugs.winehq.org/show_bug.cgi?id=11094
--- Comment #1 from Juan Lang juan_lang@yahoo.com 2008-01-08 14:55:26 --- That's the base provider, and it should be present. Did you check for that registry key under HKLM? If it's not present, try with a clean .wine (it should be installed when rsaenh is registered.)