Updated security 2016-001, iMac becomes unusable

HHello,

I'm on an iMac 27-inch end 2013 with Yosemite 10.10.5.

Today ive installed the 2016-001 security update. Everything went well during the update and the computer was restored as always. Since then, my computer is so slow it's almost unusable. This may take a few minutes to load a web page! Even on chrome or Safari. Skype can not be launched and many other applications works fine and then bam, they are extremely slow unresponsive.

Someone had an answer for me?

I have no anti virus.

Thanks for your help

Xavier

I have updated my OS to El Capitan, and everything works fine now.

Tags: Mac OS & System Software

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