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No Video with supported format and MIME type found

I am trying to view uploaded videos in to my work portal and when I try to view the video this is the error message I receive. I am running WIndows 10 on my desktop. My … (read more)

I am trying to view uploaded videos in to my work portal and when I try to view the video this is the error message I receive. I am running WIndows 10 on my desktop. My Windows is up to date and I have cleared all cookies and still not working. Please help. Thank you

Asked by estertravels 4 months ago

Last reply by cor-el 4 months ago

I can no longer use my camera on firefox

I can no longer use my camera on firefox, firefox displayed some message about camera when we were trying to chat, but I missed it, I have granted relevant permissions on… (read more)

I can no longer use my camera on firefox, firefox displayed some message about camera when we were trying to chat, but I missed it, I have granted relevant permissions on the site, that we use reularly. The camera icon on the address bar appears red, and I noticed that in Windows security, it lists firefox access requests, but shows no way to grant these requests.

I am not tech minded so please if anyone could keep it simple, I would appreciate it.

Asked by sparrow08 4 months ago

Last reply by jonzn4SUSE 4 months ago

Firefox loading local files extremely slowly

Out of nowhere a couple days ago Firefox started loading local html files extremely slowly. I was using Live Server to render the pages, so I turned that on and off, unin… (read more)

Out of nowhere a couple days ago Firefox started loading local html files extremely slowly. I was using Live Server to render the pages, so I turned that on and off, uninstalled and reinstalled to no avail. I tried dragging files in from the original folder on my computer, but even that doesn't work. I tried updating firefox, and then my computer (which is running Fedora Linux 40), but still nothing.

When I try hitting inspect on the page, it only loads the HTML but doesn't let me inspect the JS as it wont load, and it's saying I have a ton of errors too. I can't look at the errors because they wont load, but I know it doesn't have to do with the original file as there was only one error which the page was working fine with before and each time I try opening the file it gives me a different amount of errors.

I tried clearing my cache and cookies, which didn't work either.

Does anyone know how to fix this? I'm having no other errors on other pages.

Asked by FFiii 4 months ago

Last reply by cor-el 4 months ago

  • Solved

Change default view

Currently, Firefox opens OBJ files as text. I want to send them to the Microsoft 3D Viewer which is the default application in Windows for these kinds of files. All I can… (read more)

Currently, Firefox opens OBJ files as text. I want to send them to the Microsoft 3D Viewer which is the default application in Windows for these kinds of files. All I can do right now is right click on the file, save the file, then open with the 3D Viewer. I have gone to settings/General then down to applications and I can't add any files there. (Why not?) It doesn't matter if I choose to save or open files, the OBJ file still displays as text in Firefox. How do I get Firefox to send instead of display these files as text?

Asked by price3 4 months ago

Answered by jscher2000 - Support Volunteer 4 months ago

  • Solved

Firefox makes windows blueScreen

Hi. i ran into a broken problem. sometimes when i bootup my pc and start the firefox, My windows crashes immediately. what shuld i do and how i can send the firefox log f… (read more)

Hi. i ran into a broken problem. sometimes when i bootup my pc and start the firefox, My windows crashes immediately. what shuld i do and how i can send the firefox log files to mozilla team?

Asked by master.alive 4 months ago

Answered by master.alive 3 months ago

  • Solved

Folder that my "profiles.ini" points to doesn't exist

My computer (Windows 11) crashed while I was using Firefox--for the first time that I've seen, it did a full disk check. When booting back up, I was unable to use Firefox… (read more)

My computer (Windows 11) crashed while I was using Firefox--for the first time that I've seen, it did a full disk check. When booting back up, I was unable to use Firefox, since it said that my profiles.ini file was lost/corrupted.

After renaming the old file, I went back to the folder. It was easy enough to reinstall the add-ons that I needed, but I'm trying to get my bookmarks back. However, I can't seem to find them--the "bookmarkbackups" folders that come up are too new, and only one (the current one) has a file in it.

Any help will be appreciated! I'm not sure what I can do.

Asked by John Reaves 4 months ago

Answered by John Reaves 4 months ago

Address bar and control buttons are overlapping

Hi! From some time now i have problem with GUI elements overlapping each other. It started with the window control buttons (that part, where you can close the window). Es… (read more)

Hi! From some time now i have problem with GUI elements overlapping each other. It started with the window control buttons (that part, where you can close the window). Esthetics aside, it was not that big deal, so I just ignored it, but some time ago similar overlap appeared on address bar - so now I don't see what I'm writing. This is a big deal, now I can't really tell if I made a typo, I'm not able to correct it or I can't see if what I'm writing is mixed with original url, stuff like that.

I'm on Manjaro Linux and Firefox version is 127.0 (64 bits) I've tried to reinstall Firefox with different sources, like Flatpak for example, but the issues persists. Has anyone an idea how to fix this?

Asked by Sivar 4 months ago

Last reply by Ed 4 months ago

  • Solved

Firefox install on external drive

Is it possible to install Firefox (or at least the profiles) onto an external SSD (i.e., not the C: drive)? If so, how? Note: this is not about migration/backup/recovery… (read more)

Is it possible to install Firefox (or at least the profiles) onto an external SSD (i.e., not the C: drive)? If so, how?

Note: this is not about migration/backup/recovery of profiles. Nor is it about where files are downloaded by default.

Windows 11 is consuming nearly all of the C: drive. I badly need to get Firefox (and later Thunderbird) onto my E: drive. I further note that the installer gives no options whatsoever as to the destination drive.

Most of the help I've found on the web is clearly outdated.

Thanks. jt

Asked by jonathan67 5 months ago

Answered by jscher2000 - Support Volunteer 5 months ago

  • Solved

YouTube playing videos super fast and/or skipping to the end

Lately YouTube playing videos have been playing super fast or skipping straight to the end. I mean, they are horribly fast. Things to know: I am posting here because… (read more)

Lately YouTube playing videos have been playing super fast or skipping straight to the end. I mean, they are horribly fast.

Things to know:

  • I am posting here because I can't determine whether browsers may have settings unique to them that I need to change. This also happens in Chrome, but not Edge.
  • I was recently forced to upgrade to Windows 11 - I can't say this issue happened exactly at that time, but fairly recently after the upgrade. I am running Windows 11 Pro.
  • This does NOT happen when playing in a private browser window, either Firefox or Chrome.
  • Having the Mozilla VPN on or off has no effect.
  • I am sure the playback speed is set to normal. I have tried changing the playback speed to anything but normal and then back to normal and the current video runs correctly UNTIL I play the next video.
  • This does not happen with Vimeo.
  • It does not happen in FF for Android.

Any questions, thoughts, or advice would be appreciated.

Asked by StopTheInsanity 4 months ago

Answered by StopTheInsanity 4 months ago

Error while trying to Login to a PARTICULAR website

The website is https://groceries.morrisons.com/webshop/startWebshop.do I enter my username & password and nothing happens. This occurs when I use Dashlane AND also … (read more)

The website is https://groceries.morrisons.com/webshop/startWebshop.do

I enter my username & password and nothing happens. This occurs when I use Dashlane AND also if I enter username & password manually.

I can access my account successfully using Edge.

Asked by IanM 4 months ago

Last reply by IanM 4 months ago

Screen changes color in address line

Corel asked me to do a screen shot of the issue: Attached When I look at the changed screen, There is an icon infront of the Web address line that looks like a robot. W… (read more)

Corel asked me to do a screen shot of the issue: Attached When I look at the changed screen, There is an icon infront of the Web address line that looks like a robot. When I rollover it this statement comes up: Browser is under remote control reason (Dev Tools) All of the address bar is inpink. I copied it but color does not copy. when I did the screen shot the address line is not copied. https://support.mozilla.org/en-US/questions/1449321?utm_campaign=questions-reply&utm_source=notification&utm_medium=email

daThis is still frustrating. I do not like to use the browser when something else appears to be in control. I have MacAFee and run a scan but nothing shows up? If developers are following my browser, I should beable to turn this off.

Asked by soles329 4 months ago

Last reply by cor-el 4 months ago

Location

I live in the UK and recently when going to the BBC.co.uk I get the website as BBC.com after a few seconds. I know that I usually see .com when overseas and this is norma… (read more)

I live in the UK and recently when going to the BBC.co.uk I get the website as BBC.com after a few seconds. I know that I usually see .com when overseas and this is normal. Why has this started happening while I am still in the United Kingdom?

Asked by herman1rg 4 months ago

Last reply by herman1rg 4 months ago

DirecTV Stream no longer supporting Firefox browser

As of today, DirecTV is no longer supporting Firefox for watching live streaming. They show the attached image. Brave works, too, btw (Chromium-based browser). Do you kno… (read more)

As of today, DirecTV is no longer supporting Firefox for watching live streaming. They show the attached image. Brave works, too, btw (Chromium-based browser). Do you know why this is happening? Has Mozilla been in talks with DirecTV about this? I use this feature every day.

Asked by cbp67 4 months ago

Last reply by cor-el 4 months ago

rename profile addon dont work

I would like to rename profile in roaming and local dirs for windows, but after I do it, addons are no longer visible in firefox. I guess I am missing something. What el… (read more)

I would like to rename profile in roaming and local dirs for windows, but after I do it, addons are no longer visible in firefox. I guess I am missing something. What else do I have to do, when renaming profile dirs?

Asked by Andrej a earn 3 months ago

Last reply by Andrej a earn 3 months ago

  • Solved

Missing cookies

I have an issue with Firefox 127 not accepting a session cookie that I use for user authentication. I have an ASP.NET application with a login form that includes fields f… (read more)

I have an issue with Firefox 127 not accepting a session cookie that I use for user authentication. I have an ASP.NET application with a login form that includes fields for login and password, and a submit button. When the button is clicked, an HTTPS/POST request is sent to the server. The server responds and sends back a session cookie named .Cookie.Name with the parameter httpOnly set to true.

When I check in Firefox's Developer Tools under the Network tab, I can see .Cookie.Name in the server response. However, in the Developer Tools under the Storage tab, .Cookie.Name is missing, which prevents the user from logging in. This problem does not occur in other browsers like Chrome or Edge, nor does it occur in Firefox version 126. The configurations for Firefox 126 and 127 are identical.

Could you please assist with this issue?

Asked by LukaszRoki 4 months ago

Answered by LukaszRoki 4 months ago

Problem: Persistent 150 KB of Cached Web Content

Problem: Persistent 150 KB of Cached Web Content For several years, I have gone to “Settings” / “Privacy & Security” / “Cookies and Site Data,” clicked the Clear Dat… (read more)

Problem: Persistent 150 KB of Cached Web Content For several years, I have gone to “Settings” / “Privacy & Security” / “Cookies and Site Data,” clicked the Clear Data…” button, checked both “Cookies and Site Data,” and “Cached Web Content,” and clicked “Clear”, and consistently gotten BOTH “Cookies and Site Data,” and “Cached Web Content” down to “0” zero. Recently, I have been unable to “Cached Web Content” to go below “150 KB of disk space.”

         I have NOTHING listed in “Manage Cookies and Site Data” or “Exceptions -- Cookies and Site Data.”
         I have tried reinstalling, but the problem has persisted.
         On the assumption that this is malware problem, I have continued to use Mozzella VPN, but stopped using the program for browsing, etc.  Should I stop using it altogether until the problem is fixed?
         Can you tell me how to get rid of the last “150 KB” of “Cached Web Content”?

Asked by J.R.W4 4 months ago

Last reply by cor-el 3 months ago

  • Solved

Firefox loads occasionally very slowly - sometimes about 30+ seconds.

I like Firefox and am using it for years, but I cannot accept lengthy loading time. I have a fast and stable internet so this is not the problem. Please let me know what … (read more)

I like Firefox and am using it for years, but I cannot accept lengthy loading time. I have a fast and stable internet so this is not the problem. Please let me know what the problem is and how to fix it.

Asked by Mike 4 months ago

Answered by TyDraniu 4 months ago

In Firefox, after a reboot, how can I re-open my previous sessions?

In Firefox, after a reboot, how can I re-open my previous sessions? Originally I had quite a lot of open browsers & tabs. Then I needed to do a reboot, and now I've … (read more)

In Firefox, after a reboot, how can I re-open my previous sessions?

Originally I had quite a lot of open browsers & tabs. Then I needed to do a reboot, and now I've lost those previous sessions.

Usually I just open Firefox, and this opens one browser, and then all of my previous browser, and tabs reopen, but this time Firefox crashed, and its popup said it needed to restart, but it would re-open my previous browser and tabs, but it didn't.

After following the usual Firefox help guides, it still wouldn't re-open my previous sessions. Now if I ask it to open my previous sessions, it just opens the recent help guides, and not anything before the crash.

So is there a backup file of my missing sessions that I can roll back to?

Asked by macmac 4 months ago

Last reply by NoahSUMO 4 months ago

Move the search trigger at the end of the suggestion list

The vast majority of the time, when I open a new tab, I want to go to a page I already visited. Unfortunately, I consistently have to press down arrow to get to what I'm … (read more)

The vast majority of the time, when I open a new tab, I want to go to a page I already visited. Unfortunately, I consistently have to press down arrow to get to what I'm looking for.

I already disabled any kind of search suggestion (settings screenshot attached), added the separate search field, but nothing I tried removed the "Search with DuckDuckGo" being the first suggestion. I pressed the down arrow so many times in my life because of this, I'm at a loss.

Am I missing something? Is there any way to get the history suggestions to be before ANY web search.

Asked by Laurent 5 months ago

Last reply by Laurent 5 months ago