I have this problem when I use Lumia 800 with WP7, in windows (PC) I have no problem, i dont share directly through spotify but Internet Explorer pop up..
When I try to share from spotify phone i get the opportunity to share to facebook, twitter, and msn. If I choose twitter/msn it pops up a IE page. When I try the same thing with the faceook alternative it says "failed to share to facebook", no popup at all??
Sometimes the "share to facebook" alternatie is missing, if I select "offline" the faceook sharing alternative comes back?
I'm using a Lumia 900 and getting the same problems. I had it working once before but uninstalled. I have recently reinstalled and can't get it to work. There is no disconnect option. Any help would be appreciated.
Ok, this is how I got it to work. Open the Spotify desktop application. Play a song, share a song whatever. Make sure you get the pop up box saying, "Spotify wants to post on your behalf". Log out after that. Log back in. Reinstall the Spotify windows phone app and log in. You should now be able to share to FB. Took me most of the day to figure it out but it worked. Hope this helps.