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Re: Sending an interrupt to the frontend?
I only rarely see this behaviour. (I also use Macs.) When something like this happens, starting the app with the option key down (I think) resets Mathematica. The problems go away. Of course, there are any number of other problems that are not helped, but this trick works for me in many cases. I might have to do this once every 6 months or a year. I had to do this most recently -- for almost exactly the symptoms you describe. The problem has not happened again. Hope this helps. george On Jul 23, 2012, at 1:02 AM, James Stein wrote: > On Sun, Jul 22, 2012 at 1:31 AM, David Bailey <dave at removedbailey.co.uk>wrote: > >> >> I am not sure it is always as simple as just blaming the user! I have >> seen Mathematica hang when all I have done is start it up and look >> something up in the help system (or try to). >> > > I also have seen the bad behavior Dave reports, in two guises: > (a) launch mathematica, and it hangs (before, I think, showing the splash screen). > (b) launch Mathematica, access help system, and it hangs while "formatting". > (On a Macintosh, fwiw)