XFileSharing Pro - 2 Questions cron.pl / ad overlay

[SayUNKLE]

#1 Unable to run cron.pl in server settings (admin area).
Internal Server Error.

What file do I need to reconfigure?

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#2 How do I modify the ads overlay properties?

Thanks as always.

[PilgrimX182]

#1 Try running cron.pl from ssh console to check error code. Is it chmod 755?

#2 Check download1.html for AD code in it