Diễn đàn hỗ trợ Firefox

W10 and newest update are not compatible. I seek help using Android, because firefox is no longer usable on Windows 10. It started with the tab toolbar using up a large part of the screen and fonts being huge. When I tried to adjust fonts they became too small too read. Dwngrades threaten my profiles, a real low blow. What do I do?

I have installed browser and I'm trying to request for data to some websites like social media but from my browser no one serves are responding and I have stable internet connection to my laptop please can anyone help me with this issue..

My title bar has a weird symbol in front of where it says Mozilla Firefox

Sort of looks like a yen symbol and the m of the Mozilla Firefox looks weird as well

Posting on mobile devices other wise would attach photo

I have installed Firefox on my android phone now that I have installed Firefox browser on my desktop. Trouble is when I run it (on my phone) it very briefly flashes black & white blocks on screen and then makes my phone reboot. I have a Samsung galaxy S4 with android 9.0 (pie) installed. Is there anything I can do to make it work?

I've installed firefox in my laptop, and I want to use it in my PC with same bookmark, settings, cookies.. all same

What I have done is: I copy Firefox (whole folder where firefox.exe exist), then apply the profile. It works well, no trouble until now.

But, I have question: is copying whole installed firefox to another PC (without installation) is okay? From security and privacy perspective..

Hello everybody!

I have to change the resolution ( xrandr --output HDMI-1 --mode 1920x1080) but FF does not resize, please could you look at the image that I have attached?

Thanks in advance!

I have been trying for hours to get Firefox to allow me to use my webcam in the browser but I have uninstalled my browser, factory reset my laptop, removed my antivirus, gone in the website to allow, tried to find a suss certificate (which I don't want to go deleting anyway because I don't want to delete the wrong thing).

If someone can help me it will be appreciated. If you are going to go into registry keys etc please be clear in your instructions how to get there and fix it because whilst I'm not novice I have autism so my understanding might not be the same as an it person. Thanks

I used to be able to copy text in a youtube comment by long tapping on the comment and then dragging the handles to select the text.

This method of selecting text no longer works with Firefox for Android. It still works with other browsers such as Opera, Duckgo and Adblock Plus for Android.

my passcode was changed I did not Change it i cannot get into my laptop or change the password I went to upgrade through Firefox and I lost everything so I went in to recover and it was taking a long time to download finally my computer closed I went to open my computer and I put my password in and it says it's incorrect that I needed to reset it it gave me a hint and I don't recall that hand I've had the same password for a couple of years plus it tells me to put in a USB and my laptop cannot what does not have a port to put one in so how am I going to recover or get a new password

After updating my Windows, I had a problem with Firefox and several other programs not opening. Please help me how to fix Firefox.

Error phrase :

(V The application was unable to start correctly (Oxc0000022). Click OK to close the application.)

Long time ago I had this email let's say x@yahoo.com after some years i delete and made a new one x@gmail.com. On my PC every time I try to log in it goes like this: I put my x@gmail.com i put my password and it sends me a code on the same Gmail address... Very simple right? I put my verification code in and it says wrong password for email x@YAHOO.com... WHY DOES IT CHANGE MY EMAIL FROM GMAIL TO YAHOO ? I'M LOSING MY MIND I CAN'T LOG IN ON FRESH WINDOWS INSTALL!!!! I even reinstalled Mozilla, I've cleaned everything there is too be cleaned from the browser and same stupid "feature". Whyyyyyyyy????

Since this morning Firefox keeps crashing on my PC, not only tabs, but the whole browser. I've sent countless reports so far. There is no error message. Is there a problem with Firefox today, or there may be another issue? Please help, thanks.

I am trying to create a new Firefox account with it's own email to be separate from this Firefox account I am posting from. However, every time I try to follow the "sign up" buttons I get redirected to the login page where I enter what I want as the new account info and receive a "Primary email account required for sign in" The email I'm trying to use for my new account is NOT registered with Firefox and I am using a freshly installed version of the browser on a new PC so no extensions are interfering.

I downloaded session manager on Firefox hoping to be able to import session file from session buddy from chrome. I tried importing the json file but it says it fails to read. Followed by some googling I found that the problem lies with the fact that session buddy files don't have several tags in current tabs in the json file so importing fails. Like mentioned here https://github.com/sienori/Tab-Session-Manager/issues/408#:~:text=Close%20Chrome%20and%20Open%20Firefox,%2C%20and%20click%20%22Open%22. I am a noob and I don't see how that could be fixed, any help, plz?