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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

I was enjoying using firefox. It has only been 2 days since installation after which it started lagging. It lags only while scrolling pdfs, youtube. All other animations are working fine. Only problem is in scrolling it.

I've been having an error message popping up that says that FireFox is already running in the background, like my account has been locked but none of the fixes, fixed the issues. I'm really appreciate any help you can give me. I've had to make this report from Microsoft Edge in the meantime. Hopefully this can be fixed because Firefox has always been my preferred browser.

even if one sets "dom.security.https_first_pbm" to false, among other settings, you get an error among the lines of: An error occurred during a connection to EXAMPLE.COM:5000. SSL received a record that exceeded the maximum permissible length.

Error code: SSL_ERROR_RX_RECORD_TOO_LONG

what? why is this still worrying about certs, when I clearly want to open up a non-ssl port, that's ridiculous, I gotta disable cache or delete it for this to go away at the least, I can't be using ssl on all the ports, that's an absolute pain

how do you get around this? how do you stop firefox from rewriting a http request to https?

RTX VSR still doesn't work at all. I have version 130 of firefox and no VSR. I've tried it on chrome and no issues there, it just works. I've always enjoyed using firefox and it bugs me that apparently this feature was added in update 126. Moreover there is multiple threads giving advice on how to get it working, I've tried all the methods and even then still haven't been able to use VSR on firefox.

for me, about:profiles currently shows my profile in use as:

Profile: Joey This is the profile in use and it cannot be deleted. Default Profile yes Root Directory C:\Users\Joey\AppData\Roaming\Mozilla\Firefox\Profiles\7agyzsl4.Joey 10 Local Directory C:\Users\Joey\AppData\Local\Mozilla\Firefox\Profiles\7agyzsl4.Joey 10 1. why does it say "Profile: Joey" when the profile filename is "Joey 10"?

2. I want it to say "Profile: Joey 10", or for that value to MATCH the filename of the root or local directory.

    What do I need to do?