FF4 won't open if FF3 already running, regardless of profile
I've just installed FF4 Portable as a trial. I gave it a unique profile using the profile manager. It works fine, but if FF3 is already running, I get the message: Firefox is already running... so I can't use it unless I close FF3.
But if I start FF4 first, I am then able to open FF3 in as many profiles as I like.
Why is this? I want to use FF3 in several profiles for my main work, and open FF4 occasionally. Not the other way round!
Update: I've just worked out that FF4 is not using the profiles. It's opening as default. Is there a different procedure for creating profiles?
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I do not use Firefox Portable, but I do use multiple profiles and multiple versions of Firefox. Your profiles.ini should allow you to figure out which profiles are in use.
Is one or more of the processes of Firefox using -no-remote ?
- see http://kb.mozillazine.org/Opening_a_new_instance_of_your_Mozilla_application_with_another_profile
If you want to use Firefox 3 (presumably Firefox 3.6) that should be no problem at present. (You may get a nag screen about upgrading to firefox 4)
Hello John99, thank you for your input.
I've been using multiple profiles using -no-remote in FF3.6 for ages, they are no problem.
I've had a look at this thread on a forum:
http://portableapps.com/node/23783
and I have moved and edited a file called FirefoxPortable.ini which was not set up by default when I downloaded FF4.
Having done this, the situation has improved slightly.
Now I can invoke a single instance of FF4 when I please, having already opened several instances of FF3. That I am happy with, because I am only trialling the browser.
Ultimately, though, I will require to have multiple FF4 profiles, so my update question still stands: where is the profile manager for FF4?