I'm running kubuntu 11.04, and Seamonkey 2.8. When I attempt to download flashplayer 11 the message pops up "apt is not a registered protocol".
This also happenes on flashplayer 10.
When I download (10 or 11) as tar.gz and unpack it, I cannot find flashplayer.xpt (which is in the mozilla instructions). This is why I am trying to get the .apt file.