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Greetings,

After having been "On th' Net", for approx. 6 hours earlier today, with No Issues,......About an hour ago, (And No,.... I didn't recieve a Firefox Update today, to the best of my knowledge, although today has been very chaotic & stressful),....I tried to open a PDF, of which I view on the Firefox Browser, & I got a "Couldn't load XPCOM."

I then "Right Clicked" the Firefox icon & tried to open Firefox as an Administrator, & I got the same message.

I then "Right Clicked" the Firefox icon, & sought the "Refresh Button", But there is none.

The "Installed Browser" for Windows 10, is how I've managed to get to this Forum, of which I do not trust.

My Email is via YAHOO/Frontier, & since I, for the moment, cannot access My email, of which, I'm thinking that to see any replies to this situation that I'm in, that I will have to use YAHOO, so as to access Frontier.

I've seen where situations like this have been occurring, & the most recent that I saw is this:

cor-el Moderator Top 10 Contributor 1/12/23, 1:08 AM more options An error message about XPCOM missing or about platform version usually happens because of a failed Firefox update that left you with a mixture of old and updated files in the Firefox program folder. This can happen in case security software was keeping a handle of some of the files in the Firefox program folder preventing Firefox from replacing all the files. You need to do a clean reinstall and remove the Firefox program folder to ensure that all files are replaced. You may have to disable security software temporarily in case the problem persists.

You can find the full installer of the current Firefox release (108.0.2) in all languages and all operating systems here:

https://www.mozilla.org/en-US/firefox/all/#product-desktop-release https://www.mozilla.org/en-US/firefox/108.0.2/releasenotes/

Will I be able to save All of My Favorites? I have several years of Favorites there & many of them are critically needed. I realize that the Add Ons/Themes/Settings will have to be re-installed/adjusted, but I'm good with that.

Again,... Keeping My Favorites is critical, & "If" they would be deleted, then is there any Possibility of Tech/Engineering accessing My Firefox Folder & saving them?

Regards

I noticed after a forced Microsoft Windows 10 update, AND whilst using CC Cleaner to clean out the cache, I was no longer prompted to close Firefox. I never opened Microsoft Edge and was not asked to close it to complete the CC Cleaner process. I don't want Mircosoft Edge and I especially don't like the feeling that Firefox must use Edge to operate. What can I do to clear this up.

Hello, I recently bought a MacBook Air 2024 with G3 chip (Sonoma 14.6.1) and used Time Machine to transfer all the data from my previous Apple MacBook Air from 2015 (Mojave 10.14.6) to the new computer. This also transferred my Thunderbird profile folder. It has the extension .default and an 8-digit combination of letters and numbers in front of it. Since the old version of Thunderbird no longer ran on Sonoma, I installed Thunderbird 115.15.0 and then opened Thunderbird on the new MacBook Air. Since then, Thunderbird has been taking an extremely long time to open (much longer than on the old MacBook Air with Mojave. Yesterday I updated to 128.2.0esr, which didn't help either. I deleted a deactivated extension in the add-ons, so that there are now no extensions, only a few dictionaries that I deleted as a test, which also did not bring any improvement. Switching off the hardware acceleration, clearing the cache and changing the themes did not improve the situation either. With the themes, I can only switch between dark, light and system theme - automatically. I checked and made sure that Thunderbird actually loads the .default profile folder from my old computer as the active profile. However, Thunderbird has also automatically set up a second profile with the extension .default-release. Could this be causing the problem? My active profile folder has a size of 15.21 GB and the new .deault-release profile folder has 18.6 MB. Both profile folders are located in Library/Thunderbird/Profiles I am quite desperate and hope that someone can help me. Thank you very much!

I get PR_END_OF_FILE_ERROR when trying to load certain websites. I don't use any proxy or VPN, I tried disabling DoH. Also sometimes i get 403 forbidden cloudflare.

When previewing an image that was uploaded to a Google Calendar Event, I get an error "Couldn't preview file. There was a problem displaying this image." I've spoken to Google support and they suggested I reach out as when I try in Chrome, it works. Firefox is my preferred browser so I would love if I didn't have to switch to Chrome.

Troubleshooting Done: - Verified Firefox is up to date (130.0 64 bit) - Cleared cache and cookies, closed browser, reopened - Tried in 'Troubleshoot Mode' - Ad Blocker turned off - Uploaded test .png and .jpeg to see if it was a file extension issue - Uploaded smaller versions of images to see if it was a size issue - No issues when doing same steps in Chrome browser

Cannot get into Firefox as of 3 hours ago. Error message see screenshot below. Hope you can help as Firefox is my default browser.

Regards

Graham Cotton

Good afternoon, In my extensions, I use Cozy Pass. But since weeks ago, Cozy Pass is in grey, not blue as usually. When I try to connect there is this message: " Une erreur est survenue. NetworkErrorwhen attempting to fetchresource" Can you say me how to resolve this problem. Best regards Patrick

I have been using TB (under Ubuntu) for years without problems. I am now on version 115.15.0. Suddenly today the performance of the UI is abysmal. Even selecting a different folder to view in the navigation pane can take over a minute to complete. The activity monitor is no help. It often shows that nothing is happening when I am waiting for the view to change from one folder to another. When it does show something, it is usually indexing an inbox, but I have 5 accounts with inboxes, so this is no help. How can I see which inbox is being indexed? Some posts say that there should be a pause button in the Activity Monitor for the indexing activity, but I don't see any such thing. Some posts recommend changing mailbox format from mbox to mdir, but they don't say how. Searches for "mdir" in Thunderbird's settings and in the support knowledge base support knowledge base came up empty. How can I restore Thunderbird's normal performance?

Every time I have to restart the microsoft nightmare called windows 10, the 1st time I open Firefox it opens in a half screen window on the right side of my screen. It's set to open maximized and run as administrator but still won't do so immediately after a restart. Is there a fix for this?

Hey, I just recently started using Firefox, and I've started to notice some odd behavior. When watching videos and reels on Facebook (Desktop version), videos will flip-flop between normal and really bright and washed-out. I'm currently on Firefox 130.0 on Windows 11, and I always have HDR on. The imagery is silly, but these two screenshots (using win-shift-s) are from the same video only seconds apart, and this happens on almost all of them. Not yet tested to see if it also happens on Youtube or Twitter videos.

Hello all, I recently made the change from chrome to firefox and have been loving it so far. The only issue is; when I have a youtube video open while playing minecraft, the video lags and the audio skips. It never buffers and I have a great fibre Ethernet connection. When I try on chrome it doesn't happen. Only on firefox.

How to automatically backup Thunderbird profile on a schedule?

Here is what I did. Does anyone have a better way?

I use GoodSync like this: I installed GoodSync. I created a new Job in GoodSync to Backup Thunderbird profile to a location I chose. Then I set up a task in task scheduler I then put this in the Program Script of the Action tab: "C:\Program Files\Siber Systems\GoodSync\gsync.exe" Then I proceeded to set up a schedule to run GoodSync I run it each evening. It works very well.

Better suggestions are welcome.

About a month ago, firefox stopped remembering a download location, it's only on one website though. I can download from anywhere but there and it remembers the location but it won't from that site and that's where I download from the most.

This was ALSO occurring BEFORE I switched to ESR, in both types of windows (Private & Standard):

A click to open a website link results in Firefox doing a runaway, unstoppable, rapid opening of tab after tab after tab. The only way I have found to stop it is to close Firefox entirely, losing the tabs I was working with in addition to the runaway tab openings. Any solution?

Windows 11 Pro Firefox 128.2.0 ESR (also behaved in same way using standard release version, as well as ESR)

The amount of memory firefox takes is drastically higher (2GB + tabs and extensions) on Apple Silicon when compared to having the same tabs open on windows or linux.

When I look into the memory tree generated at `about:memory`, it seems that the `heap` is allocated nearly 1.5GB.

I am just a computer science student at the moment but that seems unusual to me. Please find the attached memory-report.json.gz file here