This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Avatar for Username

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

Èròjà atẹ̀lélànà yii ni a ti fi pamọ́ fọ́jọ́ pípẹ́. Jọ̀wọ́ béèrè ìbéèrè titun bí o bá nílò ìrànwọ́.

opening firefox.

  • 1 èsì
  • 1 ní ìṣòro yìí
  • 1 view
  • Èsì tí ó kẹ́hìn lọ́wọ́ FredMcD

brichards1
brichards1
more options

‘Why when I open firefox, it now opens as a small window in the top left corner of the desk top and I have to open the double window and then open the large window to get it on the desk top?’ for ‘Firefox’ Thanks, Bill

‘Why when I open firefox, it now opens as a small window in the top left corner of the desk top and I have to open the double window and then open the large window to get it on the desk top?’ for ‘Firefox’ Thanks, Bill

All Replies (1)

FredMcD
FredMcD
more options

https://support.mozilla.org/en-US/kb/changes-toolbars-and-window-sizes-are-not-saved You may have corrupt xulstore.json file.

Open your file browser to this hidden location:

  • Mac: *~/Library/Application Support/Firefox/Profiles
  • Linux: *~/.mozilla/firefox/Profiles
  • Windows: %AppData%\Mozilla\Firefox\Profiles
  • *C:\Users\<user>\AppData\Roaming\Mozilla\Firefox\Profiles
  • Windows XP: C:\Documents and Settings\<user>\Application Data\Mozilla\Firefox\Profiles\

Close Firefox. Search for the above file. Then rename or delete it. Restart Firefox.