Can't close Yast apllications after update to 11.3

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http://forums.opensuse.org – Recently i've updated openSuse to version 11.3. But i'm experiencing strange behavior of Yast applications (y2base binary). I can open them but can't close. For instance i'm trying to close "Software management" application after packages installation but it seems that its parent restarts it immediately after i close it. Of course i can kill y2base process but its a bit annoying. Please advise. (Distributions)