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Hello. I often use a frame interpolation application called Lossless scaling (LS) for watching YouTube videos. LS captures frames from a window using APIs like DXGI or WGC and generates interpolated frames between them. When running LS with YouTube videos played in full-screen on other browsers, it correctly detects and operates at the video's native framerate. However, when using Firefox, the application detects a framerate 2 to 3 fps higher than the actual video fps. For instance, a 60 FPS video is detected as 62 FPS, resulting in poor frame pacing and a noticeably choppy playback. It works fine in Chrome or Edge, but I would really like to resolve this issue.

Why is my focus putting pop ups on my screen saying browsing deleted and it never goes away I have to restart my phone every time,I have pop ups blocked,I want to know how to stop it

Thank you Rhonda Landriault

Several websites show nothing but a white screen. I have tried everything suggested in other posts about this issue (Clearing history & cookies. Starting in safe mode. Disabling addons, themes, and extentions. Disabling hardware acceleration. Updating video card drivers. Checking the url bars "tracker" icon. Uninstalling and reinstalling Firefox.) and still I get a white screen when visiting certain sites. I really don't want to switch to another browser but I'm at a complete loss and have no idea why I have this issue.

I am trying to access certain HTTPS websites and some of them show PR_CONNECT_RESET_ERROR in Firefox. This error is not present in Edge or Chromium.

Here's what I've tried (none of these works):

• DNS over HTTPS turned off
• Uninstall all add-ons
• Reinstall Firefox
• Create new profile and set it as default
• Delete/rename certs.db in the Firefox profiles folder.

The only fix that works is to use Troubleshoot Mode every time I visit these websites which is not practical. Any ideas on what could be the problem?

I don't know if this is relevant but one of the websites that does not work is https://alexan.com.ph/

I had Firefox installed and working perfectly fine , but I had to factory rest my MSI laptop (windows 11 home) because I had suspect suspicious files I needed to get rid of, after the new install of Firefox each time I try to sign into a google account I would be able to type 2/3 letters and then Firefox crashes and closes down , I had uninstall and downloaded a fresh install from the microsoft store

See attached screenshot. It just randomly happens from time to time, and I can't figure out what's causing it. I've used both Chrome and Firefox with the same results. Help!

Recently when I try to download a file Firefox seems to give it a random amount of time before it attempts to open the file. For small files this isn't a problem, as it always seems to give at least a few seconds, but larger files get cut off. This leaves the file corrupted/incomplete.

I have no idea why is started doing this. Just one day it started opening everything I downloaded, be it PDF, image etc when complete. I turned this off and it has stopped for things that download properly, but it's still doing this 'cut off' attempt to open.

Any help would be appreciated, thanks,

Hello,

I am experiencing discoloration on the top left corner of my firefox browser theme when I am in "full screen view". The discoloration disappears when I exit from full screen mode to "window view". This discoloration is happening on every theme I enable. I have attached two pictures to show what I am seeing between the full screen view and window view.

I am running Windows 11 and have a 32" curved monitor. I searched for solutions such as disabling hardware acceleration, but nothing seems to be working.

Any help would be really appreciated!

Thank you!

There's a problem with video playback on firefox, where after a while/randomly, the thing happens as shown in the image. I've uninstalled intel graphics driver and reinstall, didn't work, I've refreshed firefox, didn't work, I've fully uninstalled firefox and reinstall, didn't work, and when the error occurs the igpu is at 100% usage (and ram/vram usage is not full). The whole firefox app will be laggy but not windows, and upon pausing the video only will firefox be free of lag, and a refresh will solve the issue. However, it will occur again once in a while, doesn't matter the resolution or volume, and not just youtube but all other video players. It does occur more frequently and predictably when the video is paused for some time, or when the computer sleeps for a while, and I think it has something to do with the way firefox handles ram. (just my guess)

The only fix that worked was setting media.wmf.dxva.d3d11.enabled to false, which is undesirable as it increases cpu usage by at least 20% as well as increasing my battery discharge. Other fix includes using other browsers, using my nvidia rtx on firefox, and (not totally sure) setting the resolution lower.

Also, after the error occurs/before the error occurs, firefox doesn't do that blink-in-blink-out animation when going fullscreen on video players (like chrome), which can be fixed by exiting the firefox application completely and restarting it. Refresh doesn't work here.

Thunderbird had never crashed before, but lately, after the last 2 Windows 10 updates within the last 2 weeks, it crashes. It's at 128.5.2esr, the next-to-last update.

It always crashes when I choose "About" and it starts downloading the update. It appears that it doesn't get the 1st byte before crashing. It will still say 0 bytes when it crashes.

It also crashes if I leave it running and the screen goes through the screen saver mode and turns black. Twice it crashed while I was using it.

I thought it might have something to do with the fact that I had 4,000 emails in my Inbox (is there a limit?), so I deleted many and moved many to folders. I now have just under 1,000 in my Inbox.

I also tried restarting in Troubleshoot Mode and updating, but it still crashed at 0 bytes downloaded.

Is there a way to manually download the update and apply it? I can't find it on the website.

The next thing I know to do is reinstall. Is there anything I can try before doing that? Would you suggest uninstall first or reinstall over what's here?

After migrating my Windows Live Mail (WLM) 2012 email folders to Thunderbird, I saw that the folder names were truncated and not the same long name I had the folder named in WLM. I have been editing the folder names by copying the WLM folder name to my clipboard and then renaming that truncated folder name in Thunderbird by renaming the folder use the CTRL-V (paste from clipboard).

Prior to today after having done the above, the renamed folder in Thunderbird was moved according to its new alphabetical name in the listing, but usually in the same vicinity of folders that I was renaming. Now, the newly renamed folder seems to disappear from the listing. I scrolled through all of the folders from a to z but couldn't find it. Out of desperation, I closed Thunderbird and then reopend it to see if that would refresh my list of folders with those folders I had just renamed. And, sure enough all of those renamed folders are visible and in the correct alphatical place on the list.

Any guidance or insight would be greatly appreciated!

By using Process Explorer or Process Hacker or maybe task manager, I hope you can also verify that Firefox consumes a few GDI handles per open tab. Windows has a global limit and a per process limit of 10000. GDI objects are used for windows, for the file save dialog and also for user interface elements like buttons or lists. However many applications like Firefox draw everything themself like XUL etc. But still, Firefox consumes 3 handles for me (verified on another computer) per open tab.

If you have a lot of tabs open (for reasons not to be discussed in this topic) this can be problematic. If it reaches 10000 windows will not create more. Sometimes firefox hangs, but often Fullscreen (e.g. youtube videos) will not work and the gui will disappear. Also the context menu will not open and the save dialog cannot work and is hidden.

Am I the first to report this? I did not find anything. Can this be fixed? Can I post this to bugzilla?

Can anyone confirm this? The latest version does not fix it.