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I am receiving pop-ups from what appears to be Mozilla Firefox saying: System is infected! Viruses detected, Turn on protection and delete viruses. The virus identified is ZEUS.2020 Trojan. Click here to scan and clean via: d3av3500fes73a78mk0.mosgdefender.com This link doesn't work. So, how can I get this issue resolved? Any help would be appreciated. These pop up happen frequently one after the other. I appreciate any help solving this issue. Thank you, Tricia Hawkins

in FF 137.02 Win11Pro there is no reopen previous session option in the history menu, even though in settings, history, "firefox will" is set to remember history. We tried reinstalling FF. No luck.

Is there a way to reopen the previous session?

Has that feature been deleted?

Previously, picture in picture worked as intended, with hitting the home button playing my videos no problem. Now, at least on YouTube, it displays the box where the video should be playing but instead of playing, it just shows the top of the web page. The video does not play, it remains paused no matter what you do. It doesn't seem to affect every website, as I tested it with the iMDB video player and that worked without a hitch. It makes YouTube unusable in picture in picture. This started a few days ago, and no matter what I try, I have been unable to resolve it. I've included an image of what the issue looks like over a game, but it looks like that no matter which app you're in.

Hello,

Earlier today I reformatted my device but when I logged in to firefox I can only see my history is getting synced my bookmarks are empty, I've checked and bookmarks are check off and they should be synced. How do I get them to sync? It has worked fine in the past. Thanks.

Every time I install Firefox and try to synchronise data it says open the hamburger menu and tap synchronise and save data. I have never found the synchronise and save data setting. It is not apparently visible when you touch the hamburger menu. So where is it hiding? I've never been able to find it?

I'm attempting to set up Firefox in a newly installed OS and have logged into my Sync account. Many aspects seem to be loaded in, but the status via the Settings is stuck at "Syncing..." despite waiting several hours. Quitting Firefox results in a crash window popping up.

There are no files in the weave/logs directory. The weave/failed directory has multiple json files; most almost completely empty. addons.json has an ID, but that's pretty much it.

Deleting the .mozilla directory and starting over yielded no change in behavior.

Any help would be appreciated. Thank you.

windows 10 is up to date firefox is up to date (137.02 64 bit) dark theme

there is no bookmark sidebar button at the right of the address bar

I am running firefox in 5 windows with at least 7 tabs each every time i exit, reopen of update it i have more that 35 Bookmark LEFT Side Bars to close IF i have the patience to close all of them WHICH NEVER HAPPENS... (this is happening since too long, I am pissed off...)

I searched, tried a couple of "solutions" to no avail

Maybe my phone gas issues but I have been using Mozilla for so long, I have acquired many bookmarks. I can't save anymore because mu list is so long & tiresome. It nees a drop-down tab to better organize. Might I also suggest a way to alert owners that there is a page they haven't seen in a long time. Also an organizer that is automated.

Exhausted looking at my list.