See these articles for some suggestions: * https://support.mozilla.com/kb/Firefox+has+just+updated+tab+shows+each+time+you+start+Firefox * https://support.mozilla.com/kb/How+to+set+the+home+page - Firefox supports multiple home pages separated by '|' symbols * http://kb.mozillazine.org/Preferences_not_saved ---- It is also possible that there is a problem with the files sessionstore.js and sessionstore.bak in the Firefox Profile Folder. Delete the files sessionstore.js and sessionstore.bak in the Firefox Profile Folder. * Help > Troubleshooting Information > Profile Directory: Open Containing Folder * http://kb.mozillazine.org/Profile_folder_-_Firefox * http://kb.mozillazine.org/sessionstore.js If you see files sessionstore-##.js with a number in the left part of the name like sessionstore-1.js then delete those as well.<br /> Deleting sessionstore.js will cause App Tabs and Tab Groups to get lost, so you will have to create them again (make a note). See: * http://kb.mozillazine.org/Session_Restore

Thanks, cor-el... at last i was able to solve my problem. I had to edit the user.js file to rectify the problem. The link [ http://kb.mozillazine.org/Preferences_not_saved ] helped me a lot to get my work done. Thank you once again.

You're welcome