We have just released a minor upgrade, version 10.3c, which fixes a number of bugs. Full details of the changes are described here. We recommend that users of 10.3 upgrade to 10.3c.
A patch to upgrade from 10.3a or 10.3b to 10.3c can be downloaded here. The full installation program can also be downloaded from your download page. Please contact us if you do not have the link to your download page.