Diễn đàn hỗ trợ Firefox

I just upgraded to Firefox 77, x64, Windows 10 2004.

Firefox 76 already broke LockWise - https://support.mozilla.org/en-US/questions/1287008

Now Firefox 77 breaks 99% of all websites. (See attached screenshot.) www.example.com www.google.com www.wikipedia.org etc

Somehow, support.mozilla.org works, UNTIL I try to log in.

I've tried incognito mode, safe mode, etc. When I change charset of the page, the text displays differently, but it's still a useless mishmash.

--- BUT --- when I open developer tools, click the HTML request and click the Response tab, the HTML renders correctly there.

After Firefox updated, I can no longer access www.apple.com. This is the error I get now:

Blocked by X-Frame-Options Policy

An error occurred during a connection to idmsa.apple.com.

Firefox prevented this page from loading in this context because the page has an X-Frame-Options policy that disallows it.

Can anyone tell me how to fix this issue as soon as possible. Thank You.

I am using Hotdocs portal, which is an in-house document assembly tool. Firefox is the recommended browser, but it is recently handling 2016 docx files incorrectly. When we choose a file on the portal site (internal site), we go through the interview and are presented with a link to "download" the assembled file. When you click that link, a pop-up appears showing the file name as abc.docx but then says it is a Word 97 - 2003 document, even though it is not. The original template is not. If I choose to open the file, it ends up opening and showing as abc.docx.doc If I save the file, instead of opening it, it saves as abc.docx.

If we run this same process in IE/Edge, the file opens as abc.docx as it should. I have uninstalled Firefox and reinstalled. Is there anything that could be causing this? I've tried a bunch of troubleshooting steps and nothing seems to change this outcome.

Thank you.

When I load up the first page of Firefox a pop up window opens showing IBM Security Rapport and asking me to OK enabling the extension. I have never requested it and the pop up does not go away until I go into the extensions page and then close it.

I never asked for the opo up and I am unclear why it appears or if its viral. Can you help? Thanks

The page isn’t redirecting properly

An error occurred during a connection to www.ccbkintl.com.

   This problem can sometimes be caused by disabling or refusing to accept cookies.

I cannot access this website, i need help please?

This seems to happen with more than one Window open. FF loses which window is "active" and you cannot fill out text fields in web pages of one window and its tabs.

When I open up Firefox, websites appear as another tab that are from websites that are, to me, extremely fishy and this has been a consistent problem for me these last couple of months with Firefox.

Is there anyway to prevent these pop under tabs from appearing?

When I opened AOL mail it switched to an address beginning with "walmart.giftcards-info.online". I mistakenly clicked on OK and now can't get rid of it and FIrefox says it is a "deceptive site". I can no longer get into AOL mail. How do I fix this?

I'm getting this on HSN.com, Wikipedia, Facebook. It flashes for a few seconds and then is gone faster than I can select an option, unless my cursor just happens to be in the upper right corner at the time. When I can select one, no matter which, nothing happens that I can see.

I'm using a MacBook Pro, and I restarted it this morning.

Since I switched over to Firefox, I'm having trouble on Facebook, where links that would normally only open if I clicked on them now just pop open when the mouse cursor is nowhere near them or when I've not clicked on them. I've tried several different mouses so the mouse has been ruled out. I'm trying to rule out a browser problem before I approach it as a Facebook problem.

I have 62.0 FF on a win 10 machine and youtube says "your browser does not support any of the video formats. Click here to visit our FAQ about HTML5 video. So is my system using 32 bit now the problem?

The promo for it appeared on a major website and I foolishly clicked out of curiosity. Now it has reconfigured my new tab page in Firefox and apparently ditched my preferred search engine (DuckDuckGo). I've search how to uninstall it but have found nothing that fits the situation. Can anyone help?

I can open Gmail, but I cannot open any files to read or to write an email. The message is: "We're having trouble connecting to Google" What can I do?" I have this problem for 2 days.

Few month ago Firefox become extremely slow on one of my PC Windows 10 (Chrome etc works perfect). I have few PC, different operating system and everything is OK with Firefox except one pc. I followed all fix/improve suggestions, nothing is help. After complete uninstall and new installation of browser (deleting all Firefox folders etc) the browser start working proper (reinstall of browser didn't help, i have complete uninstall it), but after few days the slow issues have back :( Is there some report/log diagnostic file that I can run and send you guys, these problem make me crazy :(

Weather.com radar appears as jumbled blocks in Firefox (Windows 7). Compare to Chrome - see attached screenshots. I've noticed this on more than one computer.

A couple of days ago I started seeing my trash full and when I open it to find the contents I find a lot of the following- Recovered Files - Documents Being Saved By Firefox. the documents are all empty but this keep's happening every time I close Firefox. Annoying. thanks for any help.

After latest update to ver 62 (64bits) , FF closes from X (or exits from menu) but remains active in task manager for around 10sec and then shows an error message. Previous versions worked fine