All Products Support Forum

In making this post I am following instructions found at https://support.mozilla.org/en-US/kb/troubleshoot-firefox-crashes-closing-or-quitting, which include the statement "Fill out the Details section of the next page..." which seems to refer to THIS page, but I see no Details section here, so I'll just put the details where they seem to apply.

Firefox Version 102, installed today, shows the same symptom I've been seeing for several weeks, perhaps months: whenever Firefox is closed, a crash report popup appears on the screen (after a minute or two). I've been submitting these on a regular basis and hoped that Version 102 would contain a fix, but the issue continues.

So today I've created some minimum-to-reproduce examples, in each case using the same setup, but closing Firefox in a different manner:

Setup: Firefox for Windows V 102 installed today. Windows 10 is up to date. I open Firefox in troubleshooting mode, which displays my home page, located on a shared server that I use for a website and other stuff I want to be able to access from anywhere. Nothing exotic, just a list of links. That works.

Then, without doing anything else (for purposes of these tests), I close Firefox via one of the following (with associated report ID):

• Click on large X in the upper right corner of the window.

   bp-e31ef7d6-8d17-41c8-a204-0e53c0220630e

• In the window menu, select File > Exit.

  bp-d15f97c8-267f-4550-9d42-69eb70220630

• On the task bar, RMB on Firefox, then select 'Close window'.

 bp-39756c12-ccb7-4f83-998a-ec8030220630

My system is an HP laptop with AMD Vision A6 processor. My wife uses a Dell all-in-one on the same wired network and does not experience the crash-on-close symptom. This makes me suspect my hardware, but just tested with other browsers:

Chrome - Blocked my home page (never saw that before, but I use Firefox...) until I removed the block from Settings. Closed without crashing. Edge - Updated itself, then gave me the same "Not secure" warning as Chrome, but displayed the home page anyway. Closed without crashing.

In all cases, the link to my home page is specified as http://, not https:// My wife's system is set up the same way.

My question: How can I get Firefox to close gracefully, without spitting out a crash report 1-2 minutes later? Note that I can OPEN Firefox and use it for hours without incident, but if I close it and do something else, when I close THAT, there's the Firefox crash report window underneath.

I just ran the w3.org validator on my home page and I see that a few errors have crept in,. mostly unencoded ampersands. I'll fix those, but if that caused a problem for Firefox, would it wait until much later to crash? And why only on my system, not my wife's?

Suggestions?

Went to update to 105.0.1 on a windows 8.1 machine. Update failed, removed previous version and now will not even reinstall running the installer. Installer returns setup.exe Application error. unable to start correctly.

The title already says it all. Whenever i have some sound or video running in any tab, clicking on certain things like other videos or animated stuff in the same tab or another one causes a small interruption in the sound/video. Clicking a lot of times results in sound and video stuttering. I does not appear when i just click another link.

I already tried updating firefox, reinstall firefox, even downgrading firefox. This problem only appears in firefox and only on this device. I would be very thankfull for some advices, because this is really annoying.

I've run into a troublesome error with Firefox for probably eight months now, so I have not been using the browser. Whenever I attempt to install ANY add-on from the Firefox add-ons page, I get the message "[Add-on name] could not be installed because Firefox could not modify the needed file". Furthermore, attempting to download the add-on file manually (should it be available on a github page or the like) leads to the same message or a notification that the download failed.

As a matter of fact, downloading almost any kind of file on Firefox inevitably fails. The exact notification is shown in the upper-right corner of the browser window, where downloads are shown, and beneath the file in question is an indicator that says "Failed". Everything from .png to .zip to .exe appears in the downloads queue for a second, then fails.

I have tried every solution the Firefox add-on troubleshooting page has suggested, including solutions suggested in other threads, such as deleting/creating new profiles. I have also attempted to completely reinstall Firefox on multiple occasions, as well as the refresh Firefox option.

To recount, the following troubleshoot solutions did not work:

--Everything on the Firefox add-on troubleshooting page --Restart Firefox --Refresh Firefox --Create new Firefox profile and attempt to install add-ons from there --Delete and renew the extensions* files from the profile root folder --Modifying the xpinstall.signatures.required in about:config (true or false, doesn't matter) --Modifying the extensions.alwaysUnpack in about:config (again, true or false, doesn't matter) --Double-checking allow list and permissions on local firewall and antivirus software (the app is protected, add-ons are allowed) --Disabling antivirus software --Running Firefox as Administrator --Reinstall Firefox --Restarting PC

If I want to download a file or add an extension, I need to switch to a different browser such as a chromium-based one or Microsoft Edge to download the file. In the case of add-ons, I switch browsers, download the file, and select the "install add-on from file" option under "manage extensions" in about:addons.

One final thing. It seems that sometimes streaming sites won't work on Firefox (even with ad-blocker disabled or the site allowed through the ad-blocker), and sometimes video won't properly load either. These things work fine on other browsers.

I really like Firefox as a browser and enjoy the privacy it provides built-in. I didn't have any of these issues up until last year and I was forced to switch over. I would really appreciate any help with this.

I have been successfully using FireFox for many years, recently we downsized into a Condo,now 81 years young. I have FireFox as my default browser choice, but it only lists Google on the search bar, when I type in my search in the box under the Firefox name it immediately jumps up to the top of the page Google browser.

How do I get back my screen to use FireFox as my search engine ?? I have tried to change it but will only give me two options Google or Google ?? Is it possible to go back to the screen and try and start again??

Many thanks to anyone who will give me info as to how to rectify my problem, be gentle with me as I am efficient in using the computer but less so trying to solve my problems. Robin

Firefox keeps disabling addons randomly, some of them are made by mozilla even. I am getting them from the official addon site so they shouldn't be illegitimate ones. Let me know what information about my install I can give to help.

OS version: windows 22000.593 Firefox version: 99.0.1 (64-bit)

Hi: I've used Firefox for years without trouble and I've even given money! However, I think the last update has prevented my banking site from operating correctly. In Bill payment you choose who you want to pay and fill in the amount. This still works. I move to the month, day, year boxes. If I click, say, on the month box I get a dropdown but selecting the month nothing happens. Ditto with day and year. The day box shows 1 and the year shows 202 and nothing changes when using the drop downs. Can't manually fill in the boxes. At first I thought it was my bank but they said there were no reported problems - they would! So tried Brave and Edge. Both worked perfectly. Tried it on my laptop rather than desktop and same problem using Firefox showed up. I hadn't fiddled with any Firefox settings. What to do? Thanks Donald

Couple days ago Yahoo Mail stopped downloading attachments of any type. Only happens when using Mozilla. Yahoo mail works fine with edge and android. The following had no affect: (1) signing out and in to yahoo mail. (2) Clearing cache etc in Mozilla (3) rolling back recent windows updates. Occurs with all types of attachments, so not an app issue. Appreciate your help, please include only those suggestions which consider the "suddenly" part...

Following site is immediately hijacked to a scam site asking for login apparently to access private info. It happens with Firefox (only) whenever security setups are set "not to track", "not to prompt for passwords", "not to prompt for credit cards" "no history" "reset of cookies at logout" etc.. then the site below: http://thaimassage-herborn.de/ is redirected to SCAM SITE: https://xb7.serverdomain.org/admin/index.php appearing as "Adminpanel" asking for Login etc..

At the same time following site is partially blocked on the news banner pictures, with a white sheet over them, whenever down scroll is hit. https://www.tgrthaber.com.tr/

Only by resetting firefox deals with the issues. But ofcourse with the reason, above security settings removed.

Virusscanner was not able to detect this hijacking or the reason behind.

Is this a firefox software issue? Is there a way to resolve this? Thank you already for any support or suggestions to resolve.

Accidentally added a misspelling to the Firefox dictionary. Thought it would be easy to locate and edit the dictionary.

Enabled 'show hidden files.'

On XYplorer, and Windows File Explorer can find not a single trace of 'persdict.dat' in my profiles folder.

It would be really helpful if you could advise what the next step would be. Thanks.

Hello, Qualys is detecting Vulnerabilites on our Firefox ESR 91.12 Versions which were patched by MFSA2022-29.

It is showing Vulnerabilities because MFSA2022-30 lists CVE's for ESR 102.X and we are on 91.12.

Is there anywhere I can go to get a list of all Vulnerabilities on 91.X to show our Security team, I believe CVE-2022-36314 and CVE-2022-2505 are not present in 91.12 because they are not listed in https://www.mozilla.org/en-US/security/advisories/mfsa2022-29/ but need evidence

Thank You,

I note that there are 399 posts referring to this problem. The problem has existed on my PC for about 4-5 months.. DELL support has checked my computer, we have cleared cache and browser and tweaked other controls but nothing helps. I have no problem using Google Chrome. If so may people are having the same problem surely Firefox should be making an effort to fix the bug??!! Just drafted a reply to you from Firefox site but as frequently happens message appeared -

 Something about oops and an error message. When it occurs drafts do not save and messages do not transmit.

Sorry the screen print will not copy across.

I use Firefox as my main browser and it is inconvenient to have to swap between Firefox and Chrome

Can Firefox please fix this problem?

thank you mlmg

Hi and thanks for your good app The following website is not loaded in the Mozilla version, but it is easily loaded in EDGE How can I open this site with Mozilla? website : https://app.setareyek.ir/

On this site: https://www.orange.pl/twojekonto/zaloguj I can't force firefox to remember username (no problem with remembering password on next step). In older Firefox without WebEx there was addon which allowed to manipulate forms to prepare proper autocompletion data. This addon is not supported with WebEx anymore due to lack of proper functions. Instead Firefox Dev Team claims that mechanism built in current Firefox is enough for such tasks and mentioned addons are not needed. Seems it is wrong thinking.

I tried different approaches to save username for mentioned site but without success.

I'm uploading changed webpages to the internet on a daily basis, using Firefox. I'm Using Firefox version 100.0 now and I have discoverd a problem with version 100.0 . From Firefox version 99.01 and downwards, this problem never existed before. The refresh button in Firefox 100.0 ( Ctrl+R ) no longer works good anymore! Sometimes it works good, the other time it's not working correct anymore, you will not see the latest uploaded webpage on the internet. The only solution to this problem is bij closing Firefox and restarting it. Only then you will see the latest uploaded webpage on the internet. Please have a serious look at this annoying problem in version 100.0. This problem can only be discoverd by people who are uploading new webpages to the internet, not bij the regular internet-users/visitors.

my pc had friend so when i got a new one i lost all of my firefox data, how can i get all of it back so i was forced to start all over, i lost all my, bookmarks, tabs, history and saved passwords

I used Samsung smart switch to transfer data to new phone. When I tried to sync Firefox on new phone with my PC, old phone and tablet I was asked to type in the authorisation code. No matter how I have set my e-mail accounts no e-mail is received in my spam folder or in-box. There is no way to contact Mozilla to resolve this. I have not received any e-mail to state that my sign in was blocked for security reasons nor have I received an error code. I setup a bugzilla account and tried to request that my account be unlocked but there was no way to do this. All it has done is to create an entry that I reported "Zarro Boogs found". How do I get my account unblocked as the advice on the help pages is no advice.

[Personal information removed by moderator. Please read Mozilla Support rules and guidelines, thanks.]