In the 3-bar menu (or 'Tools') => General => under 'Downloads' :

That's where you can set your default download location.

Separate Security Issue: Update your Flash Player Note: Windows users should download the ActiveX for Internet Explorer. and the plugin for Plugin-based browsers (like Firefox).

Note: Windows 8 and Windows 10 have built-in flash players and Adobe will cause a conflict. Install the plugin only. Not the ActiveX.

Flash Player Version: Version 27.0.0.130

https://get.adobe.com/flashplayer/ Direct link scans current system and browser Note: Other software is offered in the download. <Windows Only>

https://get.adobe.com/flashplayer/otherversions/ Step 1: Select Operating System Step 2: Select A Version (Firefox, Win IE . . . .) Note: Other software is offered in the download. <Windows Only> +++++++++++++++++++ See if there are updates for your graphics drivers https://support.mozilla.org/en-US/kb/upgrade-graphics-drivers-use-hardware-acceleration

I don't think I explained the situation that well.

When I try to download something from Firefox, I get the following dialogue box that is supposed to show where something is being downloaded to.

However, sometimes, it shows up blank, like the screenshot attached.

Any way to reset/resolve this issue?

Thanks

Start Firefox in Safe Mode {web link} by holding down the <Shift> (Mac=Options) key, and then starting Firefox.

A small dialog should appear. Click Start In Safe Mode (not Refresh). Is the problem still there?

I don't recognize the blank box. Is that supposed to be a Finder window to let you choose a folder, or does some other program handle folder selection when you download from Firefox on your Mac?

As a footnote, to locate a download on disk, you can:

• click the download arrow icon on the toolbar to drop the recent downloads panel
• use the folder icon at the right end of the download to launch a Finder window with the download selected in the folder it's saved in

In case open containing folder in the context menu is grayed then this means that the file is no longer present in the original download location.