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Windows 10 pc can not start,I have gone through automatic repair and diagnostics steps,but am now on advamced options and think I need to Reset it.This will lose Firefox.When I install it again will I be able to sign into my Firefox account to retrieve bookmarks and passwords?I am very nervous about this,don't even know how to install Firefox,as someone gave me the computer and it was already in there. I am a tech dinosaur!Thank you in advance for any help.Lesley

Firefox on Windows keeps telling me that my tab has crashed every time i open a new tab. I have tried turning off all my extensions and add-ons, clearing the cache and cookies, turning off hardware acceleration, reinstalling the browser, clearing the appdata files and finally removing any and all firefox files in mozilla folders i could find on my computer, but nothing works. Strangely enough it works only when i open it in troubleshooting mode, even though I've reinstalled the browser 4 times now. It was working just fine earlier, but when i turned on my computer it would not work. The only thing i did in between it working and not working was play a videogame on Steam. Please help, this is driving me crazy. I am using an MSI 64-bit laptop and the latest version of Firefox 64-bit.

When trying to log into my Barclays Bank account with Samsung laptop (previously trouble free) I get: 'Bad request Your browser sent a query this server could not understand'. I'm able to access account with my Samsung phone app.

Few years ago I had Firefox set to open to home screen every time I clicked Firefox on the task bar, even if Firefox was already open in the background. That worked great for me. Now it only lets you do it after four hours of inactivity or something. Or when you close all tabs, which also got harder to do lately.

Then until this morning, actually, I've been keeping a shortcut to Firefox home on the bottom of the the home screen right above Firefox in the taskbar. That worked okay for me, but I'd have preferred it like it used to be.

Today clicking that shortcut says "Shortcut isn't available." So I opened Firefox home screen to make another shortcut, but I can't.

I just want Firefox to open automatically start on the home screen. Because that works for me. Why does it keep getting harder and harder? And what I can do now to fix it?

Recently all of the shown incoming email correspondence was deleted from display back to an August date, and since then no new emails are displayed. I have tried the Firefox Refresh program and a computer reboot, which did not fix the problem. How do I fix this problem????

I am running Win 10 and Firefox vr 95.0 I have lost all of my bookmarks including the "other bookmarks" on the left side of the screen. Haven't been able to get them back on the screen.