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Firefox 63.0 won't open in a new install of Mojave...activity monitor reports memory usage going up to 60+ GB until all application memory is full...
I just installed Mojave (OS X 10.14) and I've downloaded Firefox 5 times so far...all of the version 63.0s install fine but when I run them, they just put Firefox in the drop-down menu (nothing else) and within a minute or so, consume all of the available (real and virtual) memory - 60+ GB!
I can only Force Quit it. I can't use it at all.
The main reason I updated to Mojave (I was running 10.8) was to use Firefox!
Thanks for helping... Dave
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Just updated to 10.14.1 (Mojave update) and still the same problem: launching Firefox doesn't ever get me a window, the process just consumes all the available memory (real and virtual) until the OS sends me a message to force quit Firefox.
Safari and Chrome and Opera do not create this problem.
I tried downgrading to no avail.
I can't believe that I'm alone here, but I also can't believe there isn't a simple solution...any advice is welcomed!
I really miss Firefox!