Why FF act as if each start is a new installation and hang on to old tabs?

I updated Firefox to version 8.0.1 to 9.0.1 about an hour ago, and it has been wrong since. I suspect it's a matter of preference, but I'm not sure.

Every time I have start FF (or restart), he seems to think that this is the first time, it was run / installed. It checks the compatibility of each extension, once again.

It also opens a new page in "Welcome to Firefox hooray... "as if it were a new installation. Each time, it adds a new tab with this message. Address, it opens:

http://www.Mozilla.org/en-us/Firefox/9.0.1/whatsnew/

In addition, it does not follow my load on startup home page settings. It sticks with the old tab rather than that it should open.

I've already gone through and tried to use the information on the pages of the forum helps:

https://support.Mozilla.org/en-us/KB/Firefox%20Has%20just%20updated%20tab%20shows%20each%20time%20You%20start%20firefox?s=page+opens+on+startup & r = 8 & As = s

and

https://support.Mozilla.org/en-us/KB/preferences%20are%20not%20saved

They do not seem to have helped matters. Of course, I don't know exactly which lines in the Prefs.js file should be deleted, but I took:

user_pref ("browser.tabs.closeWindowWithLastTab", false);
user_pref ("browser.taskbar.lastgroupid", "Mozilla.Firefox.8.0.1");

... and the problems persist. I don't want to go lift more information that I do not understand. Thanks for any help.

Oh, and I made sure there is no running session restore feature, AFAIK (including TabMixPlus). My settings of homepage in the menu Options are correct.

To summarize:

(1) stop FF to think every start/restart is a new installation.
(2) get my home page to load to the correct address.

I don't know what the problem with the old profile, and in this case, it is easier to try a new profile, that spend a lot of time to devote to what is wrong. It could be a prefs.js file or a problem with the registry extensions file or a problem with the files sessionstore or something else.

Tags: Firefox

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