Welcome tab present each time I start Firefox, my homepage is opened in separate window. How do I make it stop?

Question

Welcome page opens each time I start Firefox, my homepage opens in separate window. I uninstalled Firefox and reinstalled and it continues to happen. Homepage is set to google and is present when I go to the general tab.

Answer 1

See: [https://support.mozilla.com/en-US/kb/Firefox%20has%20just%20updated%20tab%20shows%20each%20time%20you%20start%20Firefox Firefox has just updated tab shows each time you start Firefox]
Also see:
*[http://kb.mozillazine.org/Preferences_not_saved Preferences not saved (Mozillazine article)]
*[https://support.mozilla.com/en-US/kb/Preferences%20are%20not%20saved Preferences are not saved]
*[https://support.mozilla.com/en-US/kb/How%20to%20set%20the%20home%20page How to set the home page]
**Firefox supports multiple home pages separated by '|' keyboard symbol(s)
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'''You need to update the following.''' The Plugin version(s) shown below was/were submitted with your question and is/are out of date. You should update to avoid known security issues with the version(s) you have installed. Click on "More system info..." to the right of your question to see what was included with your question.
*Adobe Shockwave for Director Netscape plug-in, version 11.5.9.615
*Adobe PDF Plug-In For Firefox and Netscape "9.4.4"
#'''''Check your plugin versions''''' on either of the following links':
#*http://www.mozilla.com/en-US/plugincheck/
#*https://www-trunk.stage.mozilla.com/en-US/plugincheck/
#*'''Note: plugin check page does not have information on all plugin versions'''
#*There are plugin specific testing links available from this page:
#**http://kb.mozillazine.org/Testing_plugins
#'''Update Shockwave for Director'''
#*NOTE: this is not the same as Shockwave Flash; this installs the Shockwave Player.
#*Use Firefox to download and SAVE the installer to your hard drive from the link in the article below (Desktop is a good place so you can find it).
#*When the download is complete, exit Firefox (File > Exit)
#*locate and double-click in the installer you just downloaded, let the install complete.
#*Restart Firefox and check your plugins again.
#*'''<u>Download link and more information</u>''': http://support.mozilla.com/en-US/kb/Using+the+Shockwave+plugin+with+Firefox
#'''Update Adobe Reader (PDF plugin):'''
#*From within your existing Adobe Reader ('''<u>if you have it already installed</u>'''):
#**Open the Adobe Reader program from your Programs list
#**Click Help > Check for Updates
#**Follow the prompts for updating
#**If this method works for you, skip the "Download complete installer" section below and proceed to "After the installation" below
#*Download complete installer ('''if you do <u>NOT</u> have Adobe Reader installed'''):
#**SAVE the installer to your hard drive (save to your Desktop so that you can find it after the download). Exit/Close Firefox. Run the installer you just downloaded.
#**Use either of the links below:
#***https://support.mozilla.com/en-US/kb/Using+the+Adobe+Reader+plugin+with+Firefox ''(click on "Installing and updating Adobe Reader")''
#***''<u>Also see Download link</u>''': http://get.adobe.com/reader/otherversions/
#*After the installation, start Firefox and check your version again.