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Firefox told me it could only run a plugin in 32bit mode. So I agreed. How do I switch back to 64bit mode?

  • 3 replies
  • 26 have this problem
  • 2 views
  • Last reply by cor-el

jeffod12
jeffod12
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I am on Mac OS X 10.6.7 Firefox 4.0.1. I just don't see a prference anywhere.

I am on Mac OS X 10.6.7 Firefox 4.0.1. I just don't see a prference anywhere.

All Replies (3)

cor-el
cor-el
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  1. Close Firefox
  2. Open the Applications folder in Finder
  3. Right click or control-click the Firefox.app icon
  4. Select "Get Info"
  5. Select or Deselect "Open in 32-bit mode"
  6. Close the "Firefox Info" window
  7. Restart Firefox
dmarushy
dmarushy
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I found this line added to the above instructions which kind of help answer:

If you want to revert to running Firefox 4 in 64-bit mode, then you can use those same instructions to uncheck the 32-bit box.

SO I guess we are to assume that Firefox is automatically running in 64 when it's restarted UNLESS that box is checked.

The thing I don't understand is since I also reverted to 32 bit after Hotmail kept nagging me too, and then reopened Firefox (supposedly in 64 bit), I no longer get the nagging prompt to change BACK to 32.

Who knows what's going on?

cor-el
cor-el
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You run Firefox in 32 bit mode as long as "Open in 32-bit mode" has a check mark.
You need to remove the check mark if you want to start in 64 bit mode.