Cannot update with TB 19 Noté 4 sur 5 étoiles

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

Cette critique concerne une version précédente du module (1.9).