The little download window appears on pages containing video etc., but it does absolutely nothing, no matter how many times I click the arrow.

I have Ant Download Manager 2.51 (lifetime licence) installed and running, using latest version of firefox etc. too.

Everything works fine in chrome browser, and always has, so I have to use the Ant Download Manager extension with firefox, which always says Native app is outdated, but of course the Get Update button doesn't do anything either, but at least the extension seems to function most of the time, despite the nag.