Diễn đàn hỗ trợ Firefox

I can't get rid of a solid green screen when playing back internet video, on You Tube for example. The problem only started recently - it was fine before that. I have always used Firefox as my default browser.

I have recently (today) installed a device (Mini Wireless USB adapter) on my desktop computer. I am now connected to my ISP modem wirelessly. I have been using Firefox as my browser for many years (ten?) and have not had a problem until today. When I attempt to go to a web site I get a notice that says: "Unable to find the proxy server. Firefox is configured to use a proxy server that can't be found. Check the proxy settings to sure they are correct. Check to make sure your computer has a working network connection. If your computer or network is protected by firewall or proxy make sure that Firefox is permitted to access the web."

I am able to get to any web site I choose when using another browser. I am also receiving my emails, and able to send emails. So I know the computer has a working network connection. When I have visited the Mozilla support site (having to use another browser) I see advice that shows opening the Settings page and getting to the Proxy settings. When I open my "Settings" page from the menu on the Firefox home page upper banner I do not see any option to get the Proxy settings. How do I access the Proxy settings page? Or how do I access the Firewall settings? Don't forget, I cannot open any web page from Firefox.

I always have the latest version of Firefox today it is 120.0.1

I get several of these and I have Bitdefender antivirus

See attached photo

What to do ?

I just had to clean install Firefox after having problems. I've pretty much set it up how I want it, except when I quit Firefox and then re-open it all the tabs come back. Which I don't want. The box in the settings page for opening with previous session is unchecked. What else am I missing? I re-started my computer just in case that was an issue but the problem continues. Thanks

Firefox browser is not responding. I cannot click the menu as suggested because when I do the whole page crashes. How do I fix this "firefox not responding" issue?

Whenever I start Firefox as "New Private Window", I see in Task Manager, that Skype loads up into memory. Skype is Not found anywhere in any of the the Firefox Settings windows, not even as there but disabled. This does not occur when I open a regular Firefox window.

Is there a way for me to make custom JavaScript code to add things, like a built-in music player, to Firefox? I think it would be pretty neat if users could code their own things to add to Firefox.

i had to rebuild my laptop computer and set up firefox on it, set up/turned on sync and the browser does NOT match the broswer srttings on the desktop where the sync comes from. bookmarked weblink icons only show up when a new tab is opened and vanish once a website is opened, icons for bookmarked weblinks on the bookmarks bar are generic wireframe globe-like-icons only, the custom firefox colour setup i struggled to create over the course of several weeks does not appear at all, nor does the dark theme. how then do i get this to -really- syc???

Firefox is my browser, and Outlook my email program. After years of troublefree access to Kickstarter, I now cannot link to the site, neither by Google search, nor by responding to an email link sent to me by Kickstarter. Instead, I get a message which reads:

'You are sending too many requests to Kickstarter at this time. Please contact support@kickstarter.com if you continue to see this error.'

I have contacted Kickstarter, but their response is that the problem probably lies with my browser. Do you have any idea why this problem should suddenly have appeared?

I use firefox as my browser(I like it the best) I have edge on my computer because I upgraded to windows 10. I really dislike microsoft edge. I recently downloaded a couple of pdf's , in the settings it says that firefox opens the pdf. then I click on the pdf and when it opens it has a button that wants me to put edge as the default reader and so I go to the settings on firefox and it says that firefox is the reader tat opens the pdf but their is no way to make firefox my default pdf. it is really frustrating, as I said I really do not like the edge browser. Is there any way that this is fixed? thank you for your help!

sincerely terry barney