Having done most things to get PDF's in general to open in Adobe Acrobat DC (which works for about a minute), Microsoft Edge then proceeds revert back to the default PDF reader, even when closed.
I use Acrobat all the time and don't want to "Open with" every time I need a document.
Is there a Registry entry I could delete or change to stop this happening?
I have also noticed that there is often a little refresh of the icons on my taskbar. This coincides with the reset of the default PDF reader to Edge.