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How do I run two concurrent Firefox instances of which one is a "regular" instance an the other is in "Private Navigation" mode?

When I press CTRL+SHIFT+P my current instance closes.

I want both them opened. Internet Explorer does this by default.

Question is OS-agnostic

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The best way to do this is with the shortcut arguments. – Ramhound Feb 7 '13 at 12:38
@Ramhound can you explain? – usr-local-ΕΨΗΕΛΩΝ Feb 7 '13 at 12:48
Explain how to use shortcuts to launch to two different profiles when Firefox is launched. I have not used Firefox in years, when I did, I know what I describe was possible. – Ramhound Feb 7 '13 at 13:16
up vote 0 down vote accepted

This is not possible right now.
But they announced that they are going to implement this possiblity.

I look for some links and will add these if i find some.


this might be a nice way to have some functionallity you might wish when using firefox in private mode:

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If you're willing to use pre-release software, the Aurora and Nightly versions of Firefox support per-window private browsing. Aurora is the more stable of the two.

This feature will eventually make it into the released version of Firefox.

Otherwise, you may consider using separate profiles in conjunction with the -no-remote command line switch.

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Just to add: "Private Browsing" is basically equal to having a separate profile which keeps no history, or discards all history when the browser is closed, something you can just set in the preferences. – Stefan Seidel Feb 7 '13 at 14:30

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