Firefox Support Forum

After upgrading from Firefox 76.0.1 to 77.0.1 on Windows 10, I am unable to connect with my Asus RT-AC68U router via the browser interface. When I attempt to login to the router, I get an error message "Invalid username or password". If I use Chrome version 83.0.4103.97, I am able to access the router without issue. I have tried Firefox in Safe Mode, but I still get the same error message. I have also tried resetting Firefox without any success.

I have another computer running Windows 10 with Firefox 76.0.1, so I confirmed that I could access the router with that version of Firefox and it worked fine. I updated Firefox on that machine to version 77.0.1 using the update button under Help/About and then tried connecting with the router again - it fails with the "Invalid username or password" error message. Again, I am able to connect using either Chrome or Edge browsers, but not with the latest version of Firefox.

I have installed the Firefox Voice extension from here

When I say , for example, "What is the mariana trench" It shows results from Google, even though the default is DuckDuckGo

I would like to use DuckDuckGo.

But I can see no such option.

Please help.

Hi When I log out of Firefox and then log in again the settings that I want have changed themselves. I want the following settings to remain but they don't.

Logins and Passwords Ask to save logins and passwords for websites Autofill logins and passwords Save History

All the logins and passwords that I want to keep appear in the list and most of the websites still log in as normal BUT there are a couple who insist I re-enter username and password and I don't want to keep having to do this. I have tried clearing all cookies and saved log ins for the problem websites and then re entered them after ticking the login/password option and it works fine. However when I end Firefox and then log in again these websites then insist I re enter everything. I have even deleted version 81 and managed to re-install an earlier version but that still fails.

Find ALL my passwords that Firefox had saved & add them to Lockwise. I had them in Firefox & don't know where they went.

duplicate. continue at /questions/1292035

Up until recently I was using a 11 year old laptop that was slowing dying. I was finally able to acquire a new computer and get it up and running just before an accident (as if out of a comedy movie - the roommate's cat knocked a full bowl of cereal onto the old laptop) effectively destroyed the old machine. Thankfully, Firefox Sync meant that everything I had been working on appeared when I got the new machine fully functional...until I logged on to Firefox this evening to find my Synced Tabs empty with just a "Want to see your tabs from other devices here? Connect Another Device" message.

The old device is toast...I don't know if it will even turn on again, much less function enough to sign into Firefox. Synced Tabs was also working just fine for a solid week until it just up and disappeared. Is there some way to restore these? I know it's my fault for relying/expecting Sync to always be there and not backing up the links I had open immediately, and this is a mistake I won't make again...but I'd really love to not lose everything I had open.

Thank you very much in advance for any help or suggestions.

When I started Firefox today, neither Twitter or Reddit would load. Totally white pages without even an error message. I tried various solutions, including: 1. Disabling UBlock Origin 2. Staring Firefox in Safe Mode 3. Deleting all cookies/site data/password saved for these sites, restarting, and logging in.

The third solution worked. However now when I run Firefox in normal mode none of my extensions (RES, UBlock Origin, Privacy Badger, etc) work. They appear to be working (their icons in the taskbar, they are 'enabled' in settings) but they aren't doing anything and when I click on their icons they don't have any data/info on the current site.

I tried running the storage test here (https://firefox-storage-test.glitch.me/) and it returned errors seen in the attachment.

Also I'm running Firefox version 77.0.1 and Windows 7 despite this troubleshooting page and others automatically detecting a different versions (says 68.0 and Windows 10 here)

Hi there!

My firefox suddenly stopped to show me pages. I don't know what's the reason of it, however it doesn't work either in a safe mode (without any additionals) or without it. Also it doesn't work on 2 different windows accounts with different browser settings. I can't do anything there, and when I run the browser I can see the page content for about 2 secs, and then suddenly it crashes. When I refresh it again, I can still see the content for only a short while and it breaks again (image in attachment shows it). I'll be thankful for any help with that problem. I've suspected it's some kind of virus but anti-virus program doesn't detect anything.

Hi, Until recently the right click, 'save image as' method of saving a site image has worked flawlessly, now it goes into a death spiral & crashes Firefox. See image attached.

Am running Win10, 64 bit. Win is up to date. Firefox is 77.0.1 (64 bit)

Have run the diagnostics/help files suggested in the help files to no effect. Have similarly run Brave which is also doing the same thing whereas Edge doesn't seem to be affected.

Have deleted & re-installed both Firefox & Brave without change.

What am I not doing right?

Thanks

Hi,

Since i upgrade the computers i have on my network to W10, i have big issues with firefox, even when the computers are not register on the domain.

After the first launch of firefox evrythings good, but after it become imposible to open the software. I try evrythings i can find on the firefox internet sites. delete cache, reinstall firefox, try others version...

i try to get the ID of the crash report in "%APPADATA%\Mozilla\Firefox\Crash Report\submitted" but the file name "submitted" doesn't appear. so, i sent you the message i could fing in the "events" file finded in "Crash Report".

I'm not sure if the informations a send you is the good one, so if you have any question, please ask them and if you needed tell me where to find more information which can be usefull.

Sorry for my english, i'm french, i try the make me understandable. I hope i succeeded.

Firefox version : 77.0.1

Thanks for your reading ! :D

Here the information :

https://gitlab.com/BertrandToffolon/FirefoxBug/-/blob/master/Bug