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This happened right after I removed some folders on my system ruby, the more I have reinstalled the xcode. But even so, it opens new windows, only the icon appears and the toolbar of the software. I downloaded MacVim again and still continues without opening new windows ...


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What did you remove from Ruby? That might be your problem (MacVim is compiled with Ruby support). – echristopherson Jul 22 '12 at 3:57
I was removing the ruby to reinstall it, because I was having trouble installing rails. I've installed xCode and nothing ... I'm having to use via terminal, plus my zencoding not work, I think I need to format the machine. – Anderson Juhasc Jul 23 '12 at 14:45
That might be best. It's not recommended to uninstall system Ruby; the typical scenario is that a developer just installs a newer version of Ruby -- either with RVM or rbenv or using a package manager or compiling from source and installing in /usr/local -- and uses that instead of the system Ruby. – echristopherson Jul 23 '12 at 14:56

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