Menu, tabs, X (for closing program) do not appear at start. I then have to do CTRL ALT Delete to teminate Firefox I have repeatedly re-installed Firefox but then have to reset all my preferences/bookmarks/etc. and the problem re-appears randomly. I just restarted Firefox and THIS TIME it worked! Normal heading: (attached) Top of Screen/Heading when error appears: No "Get Support Mozilla Support - Mozilla Firefox/no Tabs line/no bookmark toolbar/ no - + X in upper right corner" --->have to do a CTRL ALT DEL to terminate the program. This is a new ASUS Vivobook 15 Computer with Windows 11 that I've had only a week.