I'm not sure to understand the description. • If no choices are selected in the customize screen and if no invisible choices are selected, the "Install" button should be disabled. • If you want the installations not to be possible if any of the choices (*) is unselected by the user, this looks like you don't need a customize mode and should only display the standard mode. • If you want the installations not to be selected if any of the choices is unselected because of a JavaScript requirements, you may be able to achieve this by checking for this JavaScript requirement for all the choices (depending on the relative state of other choices may be more complex to implement). But you could be describing another case. * This assumes that there are no selected invisible choices. On Fri, Apr 5, 2013 at 1:29 PM, Philip Petev <madmax2000@gmail.com> wrote:

Hi there, I want to implement a check in one of my packages, which should prevent the installation to continue, when any of the options in the customize screen has been selected or not, but I don't know what scripting should be used in this case. Can you help me?

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