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I have been experiencing severe performance issues with video playback on Youtube. Videos are subject to heavy lagging, and its not just the video, but the entire browser starts lagging. This doesn't happen every time, once every few times. This only occurs on Firefox, and I didn't experience this on Chrome or other browsers. Any help would be appreciated.

I've noticed since I've switched to chrome that my pc won't go to sleep at all when any type of firefox tab is open. I've run the command prompt to confirm that it is only firefox which is preventing my pc from sleeping and I also haven't downloaded anything new since switching over. I've seen that sometimes media tabs cause this however even if only the google home page is open it still prevents sleep. This is incredibly frustrating as before I could leave my pc whenever and it would auto sleep and now sometimes it'll run all night. What can I do to fix this. As far as I know there is nothing in the firefox settings page to fix this.

Hey there

When streaming on Firefox or using Zoom the video image pixalates in a mostly green tone. I have attached a pic. It doesnt seem to happen in other browsers.

Ideas?

Every time I boot/wake my computer, it takes at least 5-10 minutes for firefox to connect to the internet. I can open chrome or edge just fine.

I've tried reinstalling firefox, i've checked my win11 firewall settings, I've ensured that i'm not running through a proxy and have checked DNS.

Please help!

I'm running Thunderbird 128.5.1esr (64-bit) on Windows 10.

After it has been running for some time (usually half an hour), Thunderbird starts freezing up. It seems to be stuck at getting new messages from the server.

I can't close the window when writing a new message, I can't read e-mails and even closing Thunderbird doesn't work. I have to maually end the process in the task manager. CPU load and RAM are not affecter and all other programs on the computer work fine.

If I run Thunderbird in troubleshoot mode, these issues are not present. I have no active extensions (just one disabled), I'm using the default theme.

Any ideas what could be causing these issues or how to troubleshoot this?

I've tried everything under the sun that I've seen other people suggest for this problem like custom scripts and altering the config but no matter what I do Youtube just doesn't load videos AT ALL any other video streaming site works wonderfully like Netflix and Youtube works on explorer just fine if anyone has a solution or even just an explanation as to why this is even happening it would be greatly appreciated.

I would like to reiterate everything said below. This needs to be a standard feature. This seems like a no-brainer and should be a standard function on any browser. It only shows that Mozilla is getting left behind, even Edge has this feature, what makes it worse...IE had this feature and that is considered ancient tech now. from: kenmendell Now that I've got you and we're on the subject, Firefox seriously, MOST seriously, needs to bring back the "Bookmark All Tabs" command and have a "Save All Tabs" command of its own. There are no third-party apps and Add-Ons that do this very well anymore or at all, the older ones that used to do this no longer work well or at all. Firefox needs them in the browser to stay. It's never been the same without the "Bookmark All Tabs" command and trying to "Save All Tabs" the same way you would save a single page with "Save Page As" is frustratingly impossible to do. Any older Add-On or program that did this no longer works well or at all and hasn't for almost a decade or longer. It needs to be a standard function of any advanced browser. Firefox needs these functions as the normal standard. So, bring this up with your design team as an imperative because my having to migrate to these other lesser capable browsers the way others have doesn't appeal to me when Firefox should be a decade beyond their design and development, especially for functions that shouldn't be difficult hurdles for any modern browser to have.

This issue seems to be getting worse as time goes on. I have to go to another browser to use Cabella's, Nextdoor, and several others. sometimes I get bad request when using a link or in the case of Cabela's I can not navigate their site. Lately I have been getting a warning of dangerous site when I hit the link in an email for all the forums that I belong to.

I love Firefox's bookmark system, other wise I would just use another browser, but I'm hoping you can correct these issues for me.

Thanks, Jim Roney (long time user)

I just entered the code you sent for the password for Thunderbird; but, I cannot log in on my pc using my accepted hotmail password. I get message stating: user name xxxxx@hotmail.com failed. Please help. Thank you.

Edit: removed user name

For the last few days when I am on the web using Firefox, my android screen is displaying large print - like it is zoomed in. There is no way to fix this. Assuming this is a result of your last fix/update. This needs to be addressed. This is not an issue with any other browser

Win7x64p, FF 115.18.0esr (64-bit) When I power on my Dell E6440 from hibernate (& restart?), with or without some small portable apps running -Total Commander, notepad. I have to wait (sometimes 5 minutes or more) before I can use without significant lag. HDD LED full-on. If I start up FF while disk usage is very high, sometimes 1 core of CPU gets stuck at 100%. Sleep & wake resets this. Watching in Resource Monitor \Mozilla\xul.dll using high disk B/sec & HDD LED full on, when HDD LED returns normal xul.dll disk read activity drops to 0 or near.

Is a FF service/process reading its stored data?(via xul.dll) or something. Looking for any ideas to troubleshoot.

I'm not having any issues with FireFox running, just this process making PC unusable after wake-up. Thanks