Quote:
Originally Posted by Crisu
Thank you for your reply.
I tried that before I posted my original post, as I said only certain things were OK, like plugins and their buttons in menu, but all plugin preferences were lost 
|

AFAIK plugin (user type) preferences were stores in the
plugins folder along with the plugin.zip
Calibre (the ones that are part of calibre) plugins are stored elsewheres.