As mentioned before, export GDK_NATIVE_WINDOWS=1 shell variable before invoke Eclipse, or in my case, Aptana.If you want a simpler workaround: click on the "lazy" buttons that doesn't work to put focus on them and press Enter to "click" on them.Spanish link: http://blog.jorgeivanmeza.com/2009/11/problemas-para-instalar-plugins-de...

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