No toolbar - the upper menu bar the should say "firefox"
All my other applications and browser apps show a "toolbar", the uppermost edge of my screen, with "Firefox" and bookmarks, etc. It is just gone. I can't figure out why it is not showing up or available. I am not in full screen mode, although that hides the bar on top also. Mac OS 10.11.6, preferences says latest available update, although I cant tell because I can't set the "About" Firefox button.
Chosen solution
Firefox 78.15.0 is the last version for your Mac OS X 10.11 platform (mozilla-mac-eol-esr1), so you will no longer receive updates.
Do you see any of the toolbars like the Navigation Toolbar with the location bar or the Tab bar?
Can you attach a screenshot?
- https://support.mozilla.org/en-US/kb/how-do-i-create-screenshot-my-problem
- use a compressed image type like PNG or JPG to save the screenshot
Try to rename/remove xulstore.json in the Firefox profile folder with Firefox closed.
You can use the button on the "Help -> More Troubleshooting Information" (about:support) page to go to the current Firefox profile folder or use the about:profiles page (Root directory).
- Help -> More Troubleshooting Information -> Profile Folder/Directory:
Windows: Open Folder; Linux: Open Directory; Mac: Show in Finder - https://support.mozilla.org/en-US/kb/profiles-where-firefox-stores-user-data
Location used for the main profile that keeps your personal data (Root Directory on about:profiles).
- ~/Library/Application Support/Firefox/Profiles/<profile>
In Mac OS X v10.7 and later, the "~/Library" folder in the Home directory is a hidden folder.
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Chosen Solution
Firefox 78.15.0 is the last version for your Mac OS X 10.11 platform (mozilla-mac-eol-esr1), so you will no longer receive updates.
Do you see any of the toolbars like the Navigation Toolbar with the location bar or the Tab bar?
Can you attach a screenshot?
- https://support.mozilla.org/en-US/kb/how-do-i-create-screenshot-my-problem
- use a compressed image type like PNG or JPG to save the screenshot
Try to rename/remove xulstore.json in the Firefox profile folder with Firefox closed.
You can use the button on the "Help -> More Troubleshooting Information" (about:support) page to go to the current Firefox profile folder or use the about:profiles page (Root directory).
- Help -> More Troubleshooting Information -> Profile Folder/Directory:
Windows: Open Folder; Linux: Open Directory; Mac: Show in Finder - https://support.mozilla.org/en-US/kb/profiles-where-firefox-stores-user-data
Location used for the main profile that keeps your personal data (Root Directory on about:profiles).
- ~/Library/Application Support/Firefox/Profiles/<profile>
In Mac OS X v10.7 and later, the "~/Library" folder in the Home directory is a hidden folder.
Deleting the xulstore.json worked.