Saving as ( PowerPoint Macro-Enabled Slide Show )??

hey.. i've done two presentations in powerpoint, when i finished , i saved them as PowerPoint Macro-Enabled Slide Show, that the user will not be able to edit them, just to watch them.

everything is fine, but when uploaded them on web at some site, my friend tried to download the first slideshow, and it worked as i wanted,
but when he downloaded the second slide, he told me that the buttons don't work!!! , it's much like watching without reacting, cauze these slideshows are quizes, and i saved them the same extension (*.ppsm), and the first worked fine , why???

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p.s. - i used developer buttons , not shapes...

NOTE - THIS SECOND SLIDE WORKS FINELY ON MY PC, BUT WHEN I UPLOADED IT ON WEB, AND THEN DOWNLOADED IT, IT DOESN'T WORK...

THATS WIERD!!!

Most likely PowerPoint has opened the show in Protected Mode as it's a net download. This will prevent the file being modified (my guess is your code tries to modify something?) . Right Click on the ppsm icon and see if in Properties there's an unblock button.