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

Wo archive tread sia. Meɖekuku bia biabia yeye ne ehia kpeɖeŋu.

Firefox shows as open on the task bar with a small screen but will not expand or display full screen.

  • 1 ŋuɖoɖo
  • 6 masɔmasɔ sia le wosi
  • 19 views
  • Nuɖoɖo mlɔetɔ FredMcD

someonesmother
someonesmother
more options

I open Firefox and it shows as open on the task bar. I hover off the icon and it shows the Firefox screen but will not expand past that. I've uninstalled it and reinstalled it and updated it to no avail. I cannot open it in any screen except when I hold my mouse over it.

I open Firefox and it shows as open on the task bar. I hover off the icon and it shows the Firefox screen but will not expand past that. I've uninstalled it and reinstalled it and updated it to no avail. I cannot open it in any screen except when I hold my mouse over it.

Ŋuɖoɖo si wotia

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

Search for the above files. Then rename or delete them. Restart Firefox.

Xle ŋuɖoɖo sia le goya me 👍 2

All Replies (1)

FredMcD
FredMcD
more options

Ɖɔɖɔɖo si wotia

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

Search for the above files. Then rename or delete them. Restart Firefox.