This is FINAL release of certificate 4.1 FAT.
This version is a stabile version of certificate 4.1 FAT Beta, with full support for Moodle 1.8 and a general debug in code, including a correction for critical bug with dates.
Upgrade of versions 4.0 and 4.1 Beta is strongly recommended.
If you have problems you can report bugs here, when you place bugs to analyses try to place a maximum information about problem including some basic information like Certificate version, Moodle version (in this format -> Moodle 1.X (YYYYMMDDVV)) , Web server version, OS version, Database version and PHP version.