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PLEASE HELP! One day last week, Firefox for my PC disappeared and it seems that Duckduckgo has taken over. I have used Firefox on my PC for a few years and occasionally use duckduckgo as my browser. Now I cannot find Firefox. It is up-to-date, as of last week.

Please Help RhonCa

After recent update, The auto scroll feature will not stop working no matter what I do. I have unchecked the box and have set all auto scroll Items ti false but the auto scroll will not turn off. How can this be turned off or a new release / up date? I have gone from 32 bit to 64 bit after the last update as well.

all my icons keep wanting to sign me in i lost all n y icon mey extensions are there are enabled

enabled but not in  toolbar   ehat is going on     firefox is screwed p everytime  i hit any icons  i have to  reload or reinstall please help

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It is as if Firefox has disappeared from my desktop. I click on the shortcut but nothing happens. It was working fine last night. I have tried uninstalling/reinstalling but still nothing. A window does not even appear.

Moderator note: This question has need edited to add the OS info provided by the OP.

https://i.gyazo.com/74cf268bf4dff38c2945ff3a3227234f.png This is the constant image i keep getting i have asked AI about it and i have already taken multiple steps cleared caches/history, personal settings and others including

Windows 10, Firefox 131, Thunderbird 91.13 I set Firefox as default browser - I can't open links from Thunderbird in Firefox. I set Chrome as default browser - I can open links from Thundebird in Chrome. How can I fix or debug this?

This latest update to 153.0.4, which I did a few days after being notified, it messed up firefox. Finally rebooted, got it up again and now if I right click, I do not get the " open in new tab" option, eg, on youtube videos.

On two different Windows machines, current Firefox (153.0.1), the alt-d shortcut stops working: it does nothing until I restart Firefox. Then it works again for a while. I've tried about:keyboard and it's not reset there. I tried all combinations: Clear, Reset, setting it to alt-d explicitly. None of those worked. But when I set it to alt-a, that worked--but then resetting back to alt-d again didn't work. That shortcut is muscle memory at this point, so it's quite distressing. Not sure what diagnostics might be available to help here, happy to try anything.

Full disclosure: Both machines are Windows 10 but since that's stable, I find it hard to believe that's related.

For at least a few months now, my browser will suddenly and randomly go fullscreen all by itself. I can't exit it, and then it goes back to normal after at most a minute. It hasn't happened in at least a week. But today, it froze like that, not responding. I quit firefox, waited a bit, then restarted it. It went fullscreen and froze again. I waited at least 10min and it then went back to normal and responded again. It only happens when using firefox. I've done virus scans, etc, and it still keeps happening. Please help. Thanks.

From time to time I stumble upon videos that do not have Picture in Picture button and when I switch tab, they do not open PiP automatically. Example: https://youtu.be/BrNglFVnMMw Majority of videos works fine. Do you have any idea what could cause it? Is it some youtube DRM?