MacBook Pro

Macbook Pro Late 2011 cannot install updates or shutdown

I cannot get my Macbook Pro 15 inch late 2011 to shut down. When I try to shut down, it goes to a black screen but the keys are still lit and it just hangs unless I hold down the power button. I'm guessing this is why I get the cannot install updates message every morning.

What I've tried so far:


Reset permissions on Home Folder

Nothing has worked so far. Any ideas ?

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