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Firefox not opening in Ubuntu

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My ubuntu OS 16.04 would not allow any FF updates - I was on the latest 88.0. But by using snap i was able to update to FF 102. However next time I rebooted it was back to FF 88.0. So i tried reinstalling via the terminal with all the latest ubuntu updates which works because I have extended security maintenance until 2025. It reports that Firefox is installed but still nothing will open and i can find no record of my FF88 profile and settings all appear to be lost! Can anyone help in restoring this?

My ubuntu OS 16.04 would not allow any FF updates - I was on the latest 88.0. But by using snap i was able to update to FF 102. However next time I rebooted it was back to FF 88.0. So i tried reinstalling via the terminal with all the latest ubuntu updates which works because I have extended security maintenance until 2025. It reports that Firefox is installed but still nothing will open and i can find no record of my FF88 profile and settings all appear to be lost! Can anyone help in restoring this?

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To do so in most distributions, open a terminal and type: /usr/bin/firefox . Go to the Firefox download page and click on the Download Now button. Open a terminal and go to the folder where your download has been saved. Extract the contents of the downloaded file by typing: Move the uncompressed Firefox folder to /opt:

Regards, Will