Wacom tablet issue

[Cassel]

I actually had noticed other situations where it was not working (like clicking a button) but at the time, i thought it had to do with a plugin, or a windows update. I never thought it was the tablet itself. Now, those buttons will work if i use a regular mouse.

I am not getting any error message. I see the button being depressed or the click "ripple" effect but not the result of the click.
It works if i play mp4 directly from my computer.