Oh, great, so probably my problem is that my OS is damage. Another vote for a newer version ;) Thanks
Thanks mate for your comments ;). May be I choose the Yosemite version. Or at least Mavericks again.
I have a mid 2011 MacBook Pro. I bought 16Gb of RAM and a new HDD 1Tb 7200rpm. I know it's not much but is all I can do for the moment. I am...
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