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I tried to open Firefox and a message appeared: "Couldn't load XPCOM". I uninstalled the program with Revo Uninstaller Pro and downloaded the latest version. I selected Run as Administrator but there is a message that says "Windows cannot have access to the selected device, path or file. Maybe you don't have access rights". However, I do have access rights. I have checked it multiple times. How can I install Firefox and see it work properly? Thanks

Κατέβασα το Firefox Installer.exe και προσπαθώ να κάνω εγκατάσταση με το Run as Administrator διότι για κάποιον λόγο δεν με αφήνει διαφορετικά, αν και έχω δικαιώματα διαχειριστή. Μου βγάζει όμως ένα παράθυρο το 7-Zip και μου λέει "Δεν επιτρέπεται η πρόσβαση".

Can you please tell me why when I open my Virgin Email Account, the Auto Spell Check does not function? All my other email account I have, the Spell Check works fine, but not on Virgin Email. Yet it works fine on any other Broswer I have. The option Check your spelling as you type box is ticked

About once a week or more, a very small FF icon will appear on my desktop after startup. It will have a string of letters under it, like this one: hqWyUevN . I have never clicked on these things and always pitch them into the trash bin. But I do wonder what it is, what it means, and if it's a security issue of some sort.

Please speak slowly and use simple words. I'm not all that tech savvy.

Thanks!

I prefer the tabs be below the bookmark bar, and successfully modified the CSS file to do this some time back. Now update 133 has once again pushed them up below the menu bar. What do I have to do to get them back where I want them this time? And why can't you just leave the tab location preference alone when doing updates?

Hello everyone,

How can I delete the automatic username suggestions that appear on websites? Even when I remove the username and password for the website from Firefox's password manager, the usernames still show up. If I simply double-click in the username field, I still get the old suggestions. Deleting cookies hasn’t helped either. Please see screenshot. I anonymized the mail adresses in the pic, but they are completely shown.

Can anyone help me?

Thx in advance Chris

I have created a new Firefox profile. Now I want to copy my settings of the Developer Tools to this new profile. This should also include the custom device settings for the Responsive Design Mode. Is there a file (or files) in the profile-folder that contains these settings, and can I copy this file (or files) to the new profile? I found this link about copying profile files, but it doesn't mention devtools settings.

Restarted my PC and on boot found all my containers deleted. Bookmarks are fine. Browser settings are fine. Other Extensions and Addons are fine. Tabs from the last session were stll there. Everything else is all good. FireFox Multi-Account Containers is the only thing that's gone wrong.

Looking at my containers.json (my best guess on what to check) they're all back to default. There's no "Old Firefox Data" folder on the desktop.

This happens ~3 times a year usually after an update or if there's a sudden shutdown due to power loss.

I've used FireFox Sync before and rather than helping, it ruined everything for no apparent reason. It duplicated the current containers, restored and duplicated old deleted containers and sites stopped using their designated containers.

It sucks. It really really sucks.

Is there a way to make local backups of containers and their designations? Just knowing exactly what to backup would be a massive help and make this a lot less distressing.

When I try to connect to a different site when trying to make a purchase on paypal say the redirect crahes almost everytime. It is getting so bad that I amthinking of dicthing firefox and going back to edge.

I am currently using Microsoft Edge and am looking for a new browser to use. I went through the trouble twice now in setting up Firefox the way I want to work and for it to open certain bookmarks every time I open it. But 2 times now I have closed Firefox and reopened it and each time it not only fails to open the bookmarks I have setup, it also loses the other settings I setup and acts like I am setting it up for the first time. If I can't get this problem fixed I guess I will start looking at other browsers.

Thanks, Mark

I have a Linux PC where, when I right-click, I see shortcut letters in the context menu (the one that appears when you right-click). So, if I want to inspect an element, I right-click on it and press Q, and the inspector opens right away. This saves me time from navigating through the menu. However, on my other MacOS PC with Firefox, it doesn't do the same. I've searched for solutions but haven't found any.

Suddenly, the homepage has started overriding all my tabs. For example, I can be writing this and it will be gone and replaced with the homepage. Or, a new tab will pop up on its own with the homepage. This started yesterday. I've tried troubleshooting... I've tried redoing the settings... I've yelled a lot. Can someone please help me before they carry me off in a strait-jacket? Thank you!

Hello,

We are manufacturers of networking devices.

As most networking devices, ours can be configured by navigating to the default gateway IP address via the browser. With the rise of security awareness, various regulations are forbidding the usage of HTTP. This is bothersome to us, as connecting to our devices via HTTPS and our self-signed sertificates will always throw an error of an unsecure connection to the end user. We understand the technical reasoning for this and that users are able to ignore the message, but this does impact our user experience and it may even discourage users from using our devices.

As these regulations will be impacting networking devices globally, we want to ask you if there are any workarounds for the self-signed sertificate "unsecure connection" message. Perhaps there is an argument that can be set, or an ongoing effort from browser vendors to assist networking device manufacturers with this.

Any information or help is appreciated.

Thank you.

Cannot Log on to Costco.com site after update to Firefox 133.0 in Win 10 pro on 2 computers. Both are up-to-date with latest software.

Entering valid account and password cause the Costco logon page to freeze for a minute then returns to log on screen with no messages about failure

Same behavior on two computers. Log on to Costco via Microsoft Edge works perfectly (on 2 computers before any trouble shooting ). Logon with Firefox 133.0 works with every other site that I regularly use - Samsclub, Amazon, Yahoo mail, my own mail servers, NYtimes, WashingtonPost, Google, Walmart, and others

Trouble Shooting Steps taken with no change in the problem logon to Costco + Cleaned cache / cookies + Disabled virus protections + Disabled firewall + Stopped all security services + Rebooted + In settings | Privacy & Security: Added Costco.com as Exception for Enhanced Tracking protection + In settings | Privacy & Security: Added Costco.com as Exception - Cookies and Site Date