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Everytime I start firefox, none of my previous tabs are re-opened. This is the same even if I ENABLED "Open previous windows and tabs"

What is the problem?

I'm using Firefox version 128.0.2 (64-bit) for Windows OS

I have ordered some goods online and have been offered the option to track the goods. But I can't, because Firefox thinks the tracking page has a fake certificate.

I can go to the website of the delivery company and it has a box where I can enter the order number. This is ambiguous (more than one supplier uses the company) so it lists the two possibilities. I click on the right one and it is at this stage I get the fake certificate warning. I cannot bypass it, because trying to do so simply brings up the same warning.

I've been in touch with the suppliers. Their customer service desk can track the order with no problem. So where is the problem?

They say they can track it using Firefox on Windows, Android and Mac systems but have no Linux available. I only have two Linux systems here (Ubuntu 22.04 and 20.04), running the latest Firefox on offer (128.0.2 64 bit), both of which throw up the fake certificate problem, but with slightly different certificate dates (within the last 5 weeks), older than the genuine cert. I have pdfs of both the genuine one and one of the fake ones as produced by Firefox.

This is not a show-stopper this time as I can track the order by phone and email, but there is clearly a problem somewhere, either with both the Firefox versions I have or with the certification verification process.

If it's a Firefox issue, I don't know how to let them know.

Recently my PC has died from the hardware crash. So I've bought another PC and installed Firefox. While other browsers seem to nicely sync bookmarks and history from the previous PC, Firefox didn't do that although I have been logged into my Firefox account on both PCs and I can clearly see the other PC in devices using this account. What is the reason for that?

Secure Connection Failed

An error occurred during a connection to www.youtube.com. PR_END_OF_FILE_ERROR

Error code: PR_END_OF_FILE_ERROR

   The page you are trying to view cannot be shown because the authenticity of the received data could not be verified.
   Please contact the website owners to inform them of this problem.

PG&E is notifying its customers on its website that Firefox (among others) is "unsupported."

   "Your browser is unsupported.
   "Please use a different browser. To learn more, visit pge.com/supported-browsers."

I have not noticed any problems viewing/interacting anywhere on their site and would like to know why they are making this warning. I suspect that Mozilla.org would have a similar concern.

As I was using Firefox today I got this. https://search.soddeskfine.live/vupmsilr/?utm_campaign=y0rsMyowMImIDv9DTSX69oig88PrjKrJ9agQ3DpV-9I1&t=back4&f=1&sid=t2~joutodrs5sc3nyxfxglgcaim&fp=cLR6e4eyZh8orFbu6fCYQg%3D%3D

which is clearly imitating Firefox and can be harm to our PCs. Please look into this. Thanks.

This issue started a few weeks ago. When I receive an email in my outlook account and click on it, a new window opens but there is no content, the page is blank. I know the link is working because if I copy and paste it into a new window it works fine. Is there a setting I need to change to be able to click on a link and have it open, like it has in the past? Since it is a new issue I am not sure if it is from an update or something. Thank you