Since Mountain Lion install, sometimes Safari becomes very sluggish and sometimes unresponsive, especially when it is doing autocorrect.

I have had Safari crash in one instance. And, other times it is very, very sluggish while typing a post to Facebook. I had Safari become unresponsive this afternoon, and eventually the whole system became unresponsive. I ended up having to do a power down and power up to clear the system.
Anyone got some suggestions?  This behavior came about since the 10.8.1 update.

The fact that the Time and Date settings are messed up tells me a totally different battery needs replacing.   There are in fact two batteries on every notebook.  The one that is a regular charging battery that frequently lasts anywhere from a year and a half to longer.  But then there is a battery that controls the system clock known as the PRAM battery.  It is this latter battery which also speaks to the firmware of the computer.    That's one which often starts losing its charge after 4 years.   You are closed to that stage now, and depending on the use of your computer, you might speed its demise.  You have to understand how all batteries work on the computers from http://www.apple.com/batteries/   Apple can replace the PRAM battery, and verify your firmware is correctly up to date.    By the way, I agree making a clone is preferable to Time Machine, as you can't really boot from a Time Machine backup.  Until your PRAM battery is replaced I think you will continue to have problems.

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    LouieAustin wrote:
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