265270 - After closing Firefox windows, I restarted and get a Defaul Profile Already in Use, Required me to create a second bogus profile for new reason

Status: VERIFIED DUPLICATE of bug 239223

(Toolkit :: Startup and Profile System, defect)

Description

[password]

User-Agent:       Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.1.4322)
Build Identifier: Mozilla/5.0 (Windows; U; Windows NT 5.1; rv:1.7.3) Gecko/20041001 Firefox/0.10.1

I was using my Windows XP SP2 RTM system for about 3 hours straight and had no 
system errors. This is the first time Firefox has done this. I had closed all 
the windows out and then restarted Firefox. Then no window opens, instead I get 
the Profile Manager saying my Default Profile (I only use this one, because its 
only me on the computer) was already in use and that I was required to create 
an entire new one? Very strange. So I lost my bookmarks and settings too.

Reproducible: Couldn't Reproduce
Steps to Reproduce:
1.
2.
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Toshiba M35 768 megs of RAM
Windows XP Service Pack 2
PR of Firefox

Comment 1

[Cornelius]

I've seen something very similar to this on a co-worker's machine, so I wanted
to see if the fix for her computer would help you...

In my instance, the user had closed all of her firefox windows, but firefox had
somehow remained open in the background. So when she re-opened firefox, it gave
her the dialog for creating a new profile (since her original profile was in
use). She's a normal user, so she created a new profile, but when it opened, all
of her settings, bookmarks, etc. were gone so she called me to fix it.

A check of the task manager showed two instances of firefox running, so I closed
the visible instances of firefox, then I used task manager to kill the hidden
instance. After firefox was totally closed, I edited the properties of the
firefox shortcut on her desktop. I added a "-P" to the end of the Target line,
then ran firefox from that shortcut. The "-P" forced firefox to pop up the
profile dialog so that she could select her original profile. All of her
settings, bookmarks, etc. were back and she was a happy camper. All I had to do
after that was remove the "-P" from the shortcut and her system was back to normal.

Comment 2

[slightlykirix]

I just encountered the same problem on my Fedora Core 3 installation. I have 
set options to display my Downloads window when files are being downloaded. I 
closed all instances of the browser window, but the Downloads window was still 
up. As a result, when I tried to launch a new Firefox browser window, Firefox 
complained that I had to create a new profile because the default profile was 
in use.  

Comment 3

[Robin Monks]

*** This bug has been marked as a duplicate of 239223 ***