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i can not on or off firewall

i can not on or off firewall and other option in security & privacy , because authentication is locked and when i click on lock icon to open it , it is on authenticating (not open anyway)

macbook pro 13 retina early 2015*(MF839)

MacBook Pro with Retina display, OS X Yosemite (10.10.2), OS X Yosemite 10.10.3

Posted on Jun 1, 2015 8:07 AM

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i can not on or off firewall

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