Firefox Community Forum

I have used Mozilla Firefox as my default browser, for years. Recently, I used a program to clean (what it said was) junk files from my computer. Unfortunately, I did not make a rescue point. After removal of the files, several of my programs, including Firefox, has no longer worked as it once did. I was always able to go into settings to select my browser, my search engine, my home page, etc. That is no longer possible. I was wondering if I should uninstall Firefox and reinstall - or is their another easier way to repair my problem?

Any help I can get is much appreciated.

Recently, whenever I put a video in PiP, the whole browser freezes. I'm not sure what causes it. The PiP player itself is playing and working fine, it's the browser as a whole that freezes completely. I can play/pause and even pop it back to its tab, but when I do, the browser is inaccessible to me because it freezes, despite the video still playing normally. I can only terminate the browser with Task Manager, otherwise the video will continue playing and the Firefox process goes on the background.

I have tried Googling for a way to fix it, but nothing seems to work. Some of the recommendations were to turn Hardware Acceleration off, allow autoplay, upgrade GPU drivers, and test in Troubleshoot Mode. I have autoplay completely off (including in about:config) and gave an exception to YouTube. I don't think this is the problem though, because I've had it set up this way for a long time, and the browser freezing only started happening recently. I have had Hardware Acceleration off for a while too, so it's not because of that. My GPU drivers are up-to-date (Nvidia). The browser still freezes in Troubleshoot Mode.

The problem is not limited to YouTube. Wherever I can pop the player off with PiP, it will freeze the whole browser (like Twitch or any other site with video player capabilities). I tried playing a video in a different browser and it worked just fine with no freezing, it only happens in Firefox.

I noticed that the common issue people report is the PiP player itself freezing, but my case is the exact opposite. The PiP plays fine while the rest of the browser freezes. I really like this feature and don't want to turn it off if possible. I like to pop the video out and watch it play while I scroll around on my desktop.

Hello. I have a question about Firefox. I shut down my PC and turned it on two hours later, but Firefox is still displaying page layouts properly, images on pages aren't displaying, and the screen remains blank even when I load a page from a bookmark. How can I fix this? This is the first time I've seen this happen, whether I've restarted or shut down and restarted.

Since the 148 update, copying and pasting has been completely broken in google docs, sheets, etc. I get an error every time I try to and am forced to reload the page after which nothing has even been added to the doc. I know I am not the only one with this issue. It happens across different OS'es. Very very frustrating as I have to switch to a different browser entirely in order to copy paste, which I need to do frequently. https://connect.mozilla.org/t5/discussions/latest-update-made-google-drive-shortcuts-break/td-p/118985

Just seemingly out of the blue I started getting Firefox captive portal warnings. Most websites load normally but if it's a new site i.e. one I ahven't visited in a while I get the "you must log into this netrwork before you an access the internet" message. I am and have only and always been on my home wifi with this computer, it's a laptop but has never been out of my house. Forefox seems slow lately and I keep getting this message. Other browsers work fine by the way.

Couple of updates back, Firefox quit working as before on a particular webpage. See attached images. Describing the webpage, this is from an embedded server on a Burk Arc Solo radio transmitter monitoring and control system. Accessing the webpage allows control over the transmitters in addition to getting readings on the performance of the units. The Edge browser shows how it's supposed to look, meter names and data values, they self refresh and show changes dynamically. Why is the Firefox no longer doing this? Note: this is at a remote site using remote desktop to access the machine watching the Burk. The machine is Windows 11.

I can access my credit union using firefox on my phone, or even this computer when using MSN. I can NOT reach my credit union on this computer using firefox. I get a 403 forbidden message.