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

Natao arisiva ity resaka mitohy ity. Mametraha fanontaniana azafady raha mila fanampiana.

Recent UPDATE of Firefox OPENING THE PROGRAM AND ADDITIONAL WINDOWS..

  • 1 valiny
  • 1 manana an'ity olana ity
  • 7 views
  • Valiny farany nomen'i FredMcD

Pat Dunn
Pat Dunn
more options

'SINCE Recent UPDATE of Firefox I cannot make the program open fully.. It opens with a single SMALL Window and I have Force it to expand if I want a new Tab It Opens another window in small size and I have to expand that Window.. THIS IS A BAD UPDATE...... IF I Cannot get help this will be my LAST USE of FIREFOX....

'SINCE Recent UPDATE of Firefox I cannot make the program open fully.. It opens with a single SMALL Window and I have Force it to expand if I want a new Tab It Opens another window in small size and I have to expand that Window.. THIS IS A BAD UPDATE...... IF I Cannot get help this will be my LAST USE of FIREFOX....

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.

Close Firefox. 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\

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