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Hi I have an issue with my MacBook. my cpu felt a little slow (has a 2 x 8gb update for around 2 years now…) past few weeks. Today I turned it off and back on again, - and started getting an error during start up - “Panic cpu 0 caller 0xffffff800119b084): launchd exited (signal 10, exit status 0) Debugger called: Then it says some uuid info and Thread 0 crashed”…. I’ve tried everything possible in terms of removing RAM and replacing with other RAM, PRAM reset, installing older OS X (it failed to install) - disk utility worked, first aid said my HD is fine… Verbose mode, safe mode, recovery mode! Now it starts up, 5 seconds later - a new error: “Panic (cpu 2 caller 0xffffff8005b9654e): process 1 exec of /sbin/launchd failed, errno2”@/Library/Cache…." it goes on….. It’s now restarting over and over again… Was using Yosemite with no problem for a month or so. Any clue? :(

Kernel panic error can be hardware or software issues. Let’s see if we can determine which. First reset the PRAM: Here’s how to reset your PRAM: Shut down your machine. Yes, all the way down, not sleep or logging out. Press the power button and then press command-option-p-r. … Hold those keys down until your Mac reboots again and you here the startup chime. Let go of the keys and let your Mac reboot normally. Next try starting from the repair partition by holding down the option key on startup. If the partition comes up select it and run Disk Utilities. Let us know your results.