Firefox Support Forum

I found some infos but I do not trust myself just deleting the files in question since they ared all over my system. The following I found per malwarebytes which found the pups every day up to now:

PUP.Optional.DefaultSearch is Malwarebytes’ detection name for a family of browser hijackers targeting Chrome, Firefox and Internet Explorer. Symptoms The browsers’ default search engine was changed to one that belonged to the threat-actors. I am german so probably I need your patience in helping me to clean my system resp. Mozilla.

Looking forward Ingrid

Hi Team, I am facing issue with my browser, whenever i restarted my PC (windows 10) my history from previous session,extension are get removed & browser start as a newly installed one. I need to add extension again,login again in other accounts every single Time.

I use Win 10 desktop. Recently FF 92.0 started crashing frequently. Not sure whether this is a browser issue or whether it has anything to do with the recent Dell chip set update software.

Downgraded to FF 91.0 which do not appear crashing. However, I noted FF uses a huge amount of memory, and FF does not properly shut on Exit. Task Manager shows FF lines for about 30 seconds after exiting FF.

Is this something to do with my setup or something not right with FF?

I want to disable all of the automatic suggestions and autocomplete functions. I am totally blind, and I have recently had problems with a suggestion appear which was wrong! I entered my four-digit address, and the autosuggestions popped up several addresses - ALL OF WHICH WERE WRONG! I was very annoyed arrowing through the items, listening to them spoken, and finding that NONE of them were correct. I got lost in one of those darned suggestion systems while finalizing an order and eventually closed Firefox and started the process over. I had those darned suggestions turned off at one time, but they must have come back on when the last update occurred. So i want to fix Firefox so that it will simply let me type in the needed information - address, or whatever is needed - with no suggestions popping up - hopefully so they will stay off PERMANENTLY!

About a week ago, Firefox began occasionally opening a webpage or even my Google login window in some random language. Opening a new tab and closing the errant tab would result in the same page opening correctly in English. The language used when Firefox erred was never the same twice. In the last couple days the rate of errors has accelerated. Any ideas how to fix this problem? Is someone other than me using my Firefox credentials?

First off, I'm kind of a nincompute. So, simply, my bookmarks always separate somewhere in the middle of the list. Each section is alphabetically arranged.

  But why does this happen? I choose to sort by alphabet, so I should have one list with all the A's in one place, etc., instead of two lists.
  I never chose to divide the list, and i can't figure out how the bookmark genie picks what goes where.

i have an issue that has arisen where a pop-up came up on nexusmods.com, and it was asking if i wanted to remove a picture from my mod page. i clicked "dont ask again" and i want to undo that. how do i do that.

In trying to fix a Mozilla VPN problem, I uninstalled and reinstalled Firefox as directed by VPN support. Now Firefox has lost its bookmarks. Can they be recovered? If so, how?

Before I close the Firefox browser i go to Settings>Clear Data> Cookies & Site Data>Cached Web Content. I clear all and the Cached Web Content is lowered to 45kb. History is deleted. There is nothing in Manage Data or Manage Exceptions. The computer is turned off. A day later the computer is turned on and Cached Web Content is 2Mb.

Windows Defender anti-virus malware scan and full scan have been run. The computer is up to date, Win 10 Home, version 21H1, OS build 19043.1237.

Any idea what is causing Cached Web Content to grow from 45kb to 2 Mb when the computer is turned off?

I have tried a hundred times and this method does NOT work.

open search. use down arrow highlight item press delete

Why is this so difficult?

Thank you.

Is there a maximum number of bookmarks that can be synchronised? In the past (I don't know exactly when) there was a limit of about 5000 bookmarks. I have the impression that this limit has now been dropped and all bookmarks are synchronised. Is that right?

Greetings from Austria, Gerhard

Secure Connection Failed

An error occurred during a connection to www.cvent.com. PR_END_OF_FILE_ERROR

   The page you are trying to view cannot be shown because the authenticity of the received data could not be verified.
   Please contact the website owners to inform them of this problem.

Have been experiencing frequent "Gah" tab closures and unexpected Firefox shutdowns lately which require "Restore Now" action. Am running latest version of Firefox on Win10 desktop which is updated religiously. Have run Task Manager which indicates no activity higher than a Medium rating. Interestingly, while I experienced a couple of tab closures this morning, they are predominately later in the day and on occasion I need to reboot the system to get Firefox operating. Hopefully there is a relatively simple fix for this issue. Thanks.

Is there a quick short cut key stroke to turn ON/Off the Firefox browser screen Dark Theme? If the Windows 10 professional 64 Bit screen settings are set for Dark theme in Hi Contrast settings, for the visually impaired, The Firefox browser displays in bright white screen.

Due to a hardware defect, the password for the Firefox account had to be recreated, now all passwords that were saved in the browser are missing. How can I restore the passwords?

Hi there I use Firefox a long Time but Chronik lost . In opened Firefox /reset run 2/3 Days(Full chronik), the the same again ,lost lost lost I´ve installed downloadhelper and AB+ Nothing else more This couldn`t be a virus? Thanks for help in that mystery

My Antivirus (Bitdefender) did a full system scan and found a Trojan hidden in one of Firefox's files.

Trojan description: JS:Trojan.Cryxos.6249

Location: firefox/profiles../cache2/entries..

It was automatically deleted. No idea for how long its been there. could it have have done some damage unknown to my Antivirus ? How dangerous is it? Are there any further steps to take ?