Since I installed the 10.4.11 update my MacBook Pro has been a real dog in the way of performance. I might as well be running a 400 MHz G4. iPhoto, iTunes, Parallels, Safari 3 … all waaaaay slow. Same thing for my wife’s MacBook.

I found a hint from Klaus1 on the Apple Discussions forum about Safari and InputManagers (located in /Library/InputManagers.). Lo and behold I found Plaxo’s plugin so I exited from Plaxo’s background sync tool and almost immediately my Mac started performing like it should.

I need to spend more time troubleshooting this but, at first glance, it looks as if Plaxo release 479 is the cause and needs an update for OS X 10.4.11.

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