Since upgrading to Firefox 5, each time I launch Firefox it opens in full screen mode. Is there a way to change this in preferences?

I prefer the browser window to remain the same size I left it at when I quit Firefox. It starts to load at the same size, then jumps to full screen.
It has also crashed a few times & I had to force quit twice.
Please let me know if there are fixes for these issues.

c uses the same profile folder as the Windows and Linux platform.
You can locate the Firefox Profile Folder via
*Help > Troubleshooting Information > Profile Directory: Open Containing Folder
* http://kb.mozillazine.org/Profile_folder_-_Firefox
Copy and Paste this code in the Code field in the <i>"Tools > Error Console"</i> and click the <i>Evaluate</i> button to see the location of the profile folder.
<pre><nowiki>alert(Components.classes["@mozilla.org/file/directory_service;1"].getService(Components.interfaces.nsIProperties).get("ProfD", Components.interfaces.nsIFile).path);
</nowiki></pre>

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