We have just released a minor upgrade, version 10.3e, which introduces support for Python 3.8, and fixes a number of bugs. Full details of the changes are described in the documentation. We recommend that users of 10.3 upgrade to 10.3e.
A patch to upgrade from earlier versions of 10.3 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.