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Firefox profile manager not opening! as i chose use selected profile as default. How can i revert this ?

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I'm using two different firefox profiles, In startup I choose this option => Use the selected profile without asking at startup!. How can i revert this.. ?

I'm using two different firefox profiles, In startup I choose this option => Use the selected profile without asking at startup!. How can i revert this.. ?

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Hi Rajeshrj97, if you start Firefox up directly to the Profile Manager, you can uncheck that box. See:

Profile Manager - Create, remove or switch Firefox profiles

Or if you are more of a file oriented person, you can open this file:

%APPDATA%\Mozilla\Firefox\Profiles.ini

and edit the top section to:

[General]
StartWithLastProfile=0