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I'm running Firefox 122.0.1 on a Windows 10 desktop PC, with a profile which includes a userChrome.css file which makes several layout and cosmetic changes.

I also have a laptop (also Windows 10) which has an old Firefox 97.0.1 installation, and I'd like to make the same changes on this machine which I'm used to on the main computer. I copied my desktop profile to the laptop, to the same directory as its present profile, but when I rebooted Firefox the transferred profile wasn't recognised.

While doing the transfer I received error messages about some of the folders: Destination path too long. This despite the fact that the registry flag to accept extended paths is set to 1. I had to skip several folders in order to complete the transfer.

Could this be the reason why the new profile isn't being picked up? Or is it because the two Firefoxes are of different versions?

I'd be grateful for any thoughts. Many thanks.

How do I actually install the Surfshark extension, because everywhere I go just seems to be information about the extension, but nowhere to click on to actually to install it ??

I am running Windows 7 Professional. I can not justify the cost of updating Installed versions of Applications at my age (86) if I were to update from Windows 7. Could you please advise a work-around to allow me to continue to use Firefox V 94.0.1 reliably after 25 March 2025. Thank you Graham Garden

I updated from TB 115 to 116. I had to re-enter email and calendar (to Google) connection info. Calendar does not display. Email and Contacts seem alright. Is Provider still needed?

I have finally decided to take a chance on upgrading TB from version 115.10.1 to 115.16.3 hoping that this would fix the huge delays and getting hung up checking my Gmail accounts but apparently not. Is there any hope or any answers?

Important update! On March 14, 2025, a critical root certificate in Firefox will expire. If you’re still using an older version (before Firefox 128 or ESR 115.13+), it’s crucial to update to Firefox 128 or newer to avoid issues with add-ons, DRM-protected content, and other features.

For full details, check out Update Firefox to prevent add-ons issues from root certificate expiration.

If you have questions about the update or need help with the process, this is the place to ask! Whether you’re just starting or you’ve already updated and want to share your experience, we’d love to hear from you.

Let’s come together, share tips, and ensure we’re all prepared. Drop your questions or insights below!

I am currently using FF v133.0 and I want to downgrade to v130.0. I tried this once before and could not get the 'Profile' to activate and reinstall all of my settings, bookmarks, add-ons, etc.

Please provide step-by-step instructions for doing this. Any assistance will be greatly appreciated.

I am using Windows 10 64 bit.

Thank you.

Hello,

I recently migrated my sites (all were, and are in HostGator, just now we have integrated them all in one business plan).

From that point I stopped receiving emails (I am using Thunderbird as email operator). Where and what setting should I adjust in order to start receiving my emails again?

I am getting some notifications from Thunderbird: "Add Security Exception... "The Site belongs to ...

Why on gods green earth did you put this sidebar in now?? Appears with the update, not needed, interferes with the picture. Just what an inane thing to do. Now would someone please tell me how to remove it please. Or do I have to hire an engineer? This was totally unneeded.

I need advice on how to allow this update without it wiping out all of my bookmarks and stored login information.

Every time I have allowed an automatic update I lose everything and my computer shuts down.

Thank you Kharen

After the Dec 10 update to 133.0.3 (aarch64) on my MacBook Air macOS 15.1.1, all of the menu keystroke options are greyed out. Also, in Settings, Firefox is selected as the default browser, but the option is greyed out so that it is not possible to change. I've disabled all add-ons except my password program, tried troubleshooting mode, and restarted.

I've downloaded Thunderbird and got my main Gmail account but now need to add a second Gmail. Could someone please advise me how I go about this? Many thanks........Joe