Firefox — Fora społeczności

I have been having this issue for a while now. I will get this message on different websites, and then if I try again later it might work. It seems like it's a random chance of me getting this error. I have tried "about:config" commands as suggested on other posts on this forum and they didn't work. I checked my licenses, proxy settings and still nothing. I got another web browser to see if it's my PC or Firefox, and the other browser worked just fine. I am guessing there is something I need to do within Firefox, but I am not sure what that is.

Hello today i went to a it specialist, he reinstalled my windows and i lost all my backups i had been using firefox for a few days and saved a lot of stuff in bookmarks but now they dont sync i can only sync my old bookmarks from edge.Is there a way to check if my bookmarks were saved on a server?

I've been having an issue with picture-in-picture (PiP) mode where the subtitles and rewind/fast-forward buttons (rr/ff) won't follow the video into the small player for Disney+ specifically. I have no issues with YouTube or any other site. The subtitles and rr/ff just stay with the original video player on the site while the video is in PiP mode. I can see the subtitle button on the PiP player, but it is grayed out and I can't click it. I've updated both Firefox and my computer (Windows 11) and reinstalled Firefox, cleared cookies and cache, and still no dice. Any advice? Thanks!

(In the screenshot, the PiP player isn't showing video, but I think that's just because of Disney's anti-piracy software - I can see the video in the PiP player on my screen.)

Uninstalled Adblock, have looked in Extensions on Mozilla and its not showing, however, with another website I have just tried to access,error message saying I have Adblock installed when I havent. I've also put this website on the safe websites and not made any difference.

Many thanks

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How do I remove or permanently hide the sidebar? It is currently taking up too much of my screen space and I can already access my bookmarks without needing them to be accessible on the side. Please make a user friendly version that allows people to easily remove the sidebar. Customizing so that it still stays there is not helping.

My page throws errors in Firefox Nightly such as

Expected color but found ‘undefined’. Error in parsing value for ‘background-color’. Declaration dropped. preview.htm:1:1

and

Expected color but found ‘undefined’. Error in parsing value for ‘color’. Declaration dropped. preview.htm:1:1

The page references ten CSS files besides having dozens of its own CSS declarations. The issue is tha the reference provided to the error (:1:1) does not indicate where I can find the error. That is, I don't know which declaration is at fault. Is there some straighforward way to find the declaration in question?

When I load PBS.org I get a message that PBS is having connectivity issues. I can load it on Safari without any problems (and my Kindle too). Is this Firefox or PBS's problem? Please help.

Recent issue (Nov/24): when logging into some sites I've used before, the Send, Pay etc button doesn't do anything. If I do the same login on Chrome, it works. Also finding Hotmail too sluggish to use on Firefox and forced to use that on Chrome as well.