Cannot update with TB 19 Rated 4 out of 5 stars

great Add-on :-) but since update to TB 19 I could not manage to update Ligthning. Could please someone point me to a "howto" ;-) At least it sems that it works for others.
... Windows 32 bit, TB 19

Thanks in advance

This review is for a previous version of the add-on (1.9).