[ubuntu] skype window keeps un-minimizing itself

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http://ubuntuforums.org – I have skype install and it seems to be working, but whenever I minimize the window, a few moments later, it pops up again. What's going on? Any way to fix it? Max. DISTRIB_ID=Ubuntu DISTRIB_RELEASE=12.04 DISTRIB_CODENAME=precise DISTRIB_DESCRIPTION="Ubuntu 12.04.1 LTS" Skype v (Hardware)