This is an odd one. I'm running spotify under wine-1.2.2 on three different ubuntu-10.04 systems. Every time I run spotify, thunderbird (3.1.11) eventually freezes and has to be killed via the 'x' on the window frame. Restarting usually gets thunderbird working again, but it inevitably re-freezes if spotify is running. Spotify itself always works great.

Thanks in advance for any debugging advice you can offer.