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I want to disable the Tab hover preview and I follow the instructions per Mozilla Support, which are:

Enter about:config in the address bar and set browser. tabs. hoverPreview. enabled = false.

When I enter about.config and search for "set browser. tabs. hoverPreview. enabled = false" it comes up as false. And there doesn't seem to be a need or way to save that setting, already set to false. But it still has the hover preview.

How do I get rid of the preview mode?

Thanks. Dennis dennis@denniswilder.com

Get me a telephone call to start a process of overcoming incomprehensible, useless software(?) error messages, and meaningless "instructions" and "support" that requires expert parsing of IT protocols far beyond the ability of probably 95% or more of lay technology users. My name is Marc and my telephone is [edited phone# from community support forum]; call any time between 6:30 a.m. and 9:30 p.m. U.S. CDT any day at all ending in the letter "Y".

With my previous FF installation, it would remember both the width and the last selection in the sidebar after closing and re-opening FF.

I just formatted and reinstalled windows and now FF simply would not remember the last sidebar condition.

I'm using Windows 10 22H2 and FF 130 64-bit.

When I open up the Add-ons Manager it shows Window Titler is turned on. But Ctrl-Alt-T no longer works, there is no button showing for it, and it seems to be gone. A button for it does not appear in Customize Toolbar. It is the single most important reason I stay with Firefox. How do I get it to work again? Thoughts appreciated.

This is my original post. No response at all. Disappointing.

Non functioning Export/Import, upload images

At this point, if I could just get an opinion, a direction you might follow, if this was happening to you

It keeps recurring. This time it took 3 weeks from the time that last post. As I said in the past post, the problem is a corrupted 'sessionstore.jsonlz4 file.

My evidence is that when i ran about:support - Troubleshooting, the problem was still happening.

I just mounted a backup profile, created during the last incident. Works fine. I took the sessionstore.jsonlz4 from that backup and replaced the one in the problem profile.

After doing the replacement, the problematic profile symptoms have disappeared. At least for now, that is.

But now, I have to restore the missing portion of the session (tabs/history) created between the last occurrence and now, because of the replacement of the corrupted sessionstore.jsonlz4 with the backup.

Nobody has offered a way to do this that is not a time consuming ordeal.

What would you do?

Sometime in not more than the last two weeks (maybe just since 9/1/24?) I started seeing this: 1. open new tab, see small FF icon and "New Tab" text. 2. enter URL and press 'Enter', or, click a favorite/hotlink on that page. 3. between that time and the time that the page actually loads, the tab icon changes from FF to the new-twitter "X" icon! 4. the "X icon" remains even after the "New Tab" text changes, and does not change to the icon of the actual web site until after its page has (fully?) loaded. See screen shots. FF version 129.0.2 (64-bit) PS - I do not use Twitter/X. I do not believe that I have ever been there, and certainly not on purpose. I use Duck Duck Go as my search engine I have not done any cache flushing, etc.

Hi, I've started my laptop after 3 days, opened Firefox web browser and all my tabs are closed / lost. If I try History -> "Recently closed windows" is greyed out. How can I recover all my tabs from this computer?

Thank you, Tudor

Hi Team,

Can we get details regarding the latest ESR release (128) installation issue in Windows 2012 R2 server.

We are facing failure issue of ESR 128 x64 in windows 2012 R2 server.

Regards, MM

I posted it on bugzilla too, so any kind of help is appreciated, I am tired of resizing it multiples times a day.

Steps to reproduce--> Add 'Show sidebars' to the toolbar using toolbar customization. After opening the sidebar & then bookmark panel in it, I decreased sidebar's width to the minimum by dragging the border.

Actual results--> After sometimes[opening and closing firefox a few times], sidebar's width resized itself to the default [here I didn't change anything, 'bookmark panel' remain selected]

Expected results--> Width of 'Bookmark panel'[or any other panel] in the sidebar should have remained of the width it was resized manually.

I recently installed BitDefender Password Manager. I see the message "Can't Read and change data on this site".

how can i enable the BitDefender Password manager to access all sites?

I have 1 firefox account, and two different outlook mail accounts. How can I keep both email accounts open simultaneously?

First I open a firefox private window, and then i open a MS Outlook email instance, disabling all optional cookies.

Then I open a second private Firefox instance, and when I open the second MS Outlook instance (cookies disabled like above), the MS account auto-opens the account I already opened. If I sign out of the second instance, the first instance also closes. I sign in to the second instance with the other MS Outlook account, the first MS account (in the previously opened private window) opens to the second MS outlook account.

I want to have both MS outlook accounts open simultaneously. I was able to do this in Windows 10. What changed, and how do I get the Windows 10 (preferred) behavior back?

Thanks