Disable new profile prompt in Firefox?
Is there a way to disable profile locking in Firefox ? We are using Firefox as a front end to our application, but every time a new instance get's launched it prompts for a new profile. We would like to open new browsers under one profile all the time.
A fascinating question and one that's solved by exploring the Profile Manager that's included as part of Firefox.
To start up Profile Manager in Windows, close Firefox by selecting File --> Exit, then choose Start --> Run... from the Windows START menu. Type in firefox.exe -profilemanager and click OK.
On a Linux systems, launch a command terminal and type in firefox -profilemanager.
On a Mac, well, on a Mac it's a bit more of a hassle because of how Mac OS X hides the actual application binaries. Let me show you how I got it to work on my own Mac OS X system...
First off, launch Terminal (Applications --> Utilities --> Terminal), then move into the directory where Firefox is located (probably /Applications/Firefox) with the command cd /Applications/Firefox. Now you have to go a bit deeper to get to the correct place, so enter another command: cd Firefox.app/Contents/MacOS. Now, finally, you can enter the necessary command. Here's all three, to make things a bit clearer:
$ cd /Applications/Firefox $ cd Firefox.app/Contents/MacOS $ ./firefox -profilemanager
Here's what you'll see:
The key setting you want has already been checked in this screenshot: Don't ask at startup.
Check that and you'll find that you won't be prompted to select a profile when you start the Firefox browser in the future.
A simple solution, though it'd be nice if Firefox itself could launch the Profile Manager instead of making you jump through all these hoops!
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