Good day all, I am new to Mac. Just at a time when I am in the middle of something, my Mac will just prompt me to shut down and restart again. The computer will just freeze, and will not respond unless it is shut down and restarted. Is that how it works

Good day all,
I am new to Mac. Just want to find out if your Macs always prompt you to shut down and restart. Mine happens very often sometimes, and it can be very embarrassing, especially just when you think you are almost done with what you are doing, only for you start all over again. Or, is there anything I am doing wrong, somebody please help, Thanks.
Francis.

Hi Francis,
Are you getting kernel panics?
http://support.apple.com/kb/TS3742
http://www.thexlab.com/faqs/kernelpanics.html

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