Diễn đàn hỗ trợ Firefox

I want to turn off the hover preview feature. First I went in settings, but that disabled only the thumbnail (browser.tabs.hoverPreview.showThumbnails in about:config is set to false and saved). Then I went in about:config and manually set browser.tabs.hoverPreview.enabled to false as well, that disables the unwanted feature completely.

But every time I restart the browser it's turned back to true (just hover.Preview.enabled, not hover.Preview.showThumbnails). Can I save my settings? It's annoying that I can't opt out.

Started receiving pop ups stating virus attack from Mozilla and via cq5g6mojubcc7385jauo.deviceconnectnetwork from Mozilla showing McAffee, Critical Virus Alert, Virus attack. Receive 3 at time and I can't see the right side of my scree and I need to. Is this malware and if so how do I remove it fast? Thank you.

The website in question is https://accounts.groceries.morrisons.com/auth-service/sso/login

If I use with the same username and password in MS Edge, I can successfully login. I'm usng the Dashlane Password Mananger

FF 129.0.1 Edge 127.0.2651.105 OS Windows 11 Pro v 24H2 Build(26100.1457)

Everytime I load Firefox the bookmarks sidebar is not shown.

Navigating thus View => Sidebar => Bookmarks I can bring it up. It will stay visible for the whole of my browser session. However, after I've closed this session and started another. the bookmark sidebar is missing again.

How can I make the bookmarks sidr be available all the time?

FF 127.0.2 OS Windows 11 Pro v 24H2 Build(26100.994).

This randomly happened over the past few months but last couple days it's bad. The Google Sheets cells I have open on Firefox turn black. You can scroll and they will come back but just briefly and back to black. Very annoying as these are shared sheets for my business with other employees. It's not happening in Vivaldi Browser or Edge. I hate Chrome so not even trying it there but guessing it's fine. Seems to just be Firefox all of a sudden. See pic. Help please as I have no clue what's causing this.

As of today, I am unable to scroll with my mouse in google sheets. The scroll bar on the right disappears and I'm taken to the bottom of the spreadsheet and can't scroll back up. I have to use CTRL+Home and then the arrow keys to go down the rows. This appears to be only on Firefox. I tried a different browser and it worked fine.

Since the penultimate and now the last current update to version 127.0.2 (64Bit), the button (tile with the + sign) to add new shortcuts is no longer available. How can new shortcuts be added now?

Hello, directions to change locations on weather app, At the top left of the New Tab page, hover over the weather information and click the configuration icon IG page actions.

   Click Change Location.
   Enter the new location in the field and select the desired location from the drop-down. 

I don't get a change location option in the menu.

What to do?

Thanks, Billy

With Yahoo (and other sites) suddenly every single time I am required to use the "authenticator app" routine. I've gone for months or even years with persistent sign-ins before. What happened? How do I get back?

It's like I'm in private mode - but I'm not in private mode.

Edit bookmark box won't scroll or show me all my folders/subfolders: When are you going to fix this problem: https://support.mozilla.org/en-US/questions/968861

This used to work fine. I don't want to mess with userChrome.css to get it to work. It should just work like it used to.

Thanks very much...

On my computer Firefox ask for the master password every time at startup. On other computers in my family, Firefox only ask for the Master Password when accessing a site with a password. I tried : - to disable than reenable Master Password - start in SafeMode without success. How can I solve my issue ? Thanks in advance for your help

Just recently Firefox seems to have its downloads capped at 15-16 meg speedtests show the full 1Gig speed OPERA AND EDGE both download at the full 999 megs but firefox has recently stopped downloading any faster then 19 meg

what in firefox could be causing this its not happening in any other browser.

Hi,

am running firefox 127.0.1 on a windows 11 desktop. Numerous sites that use a captcha to login fail. In other words, the captcha never loads and I cannot login to those sites. Such sites include teamfaderpro, Coursera, and bandcamp. All logins fail as the captcha is required to be passed prior to logging in, but the captcha never appears and so when I try to log in, nothing happens and I cannot login.

I have tried the above same sites on the Edge browser and have no such issue, the captcha shows and I can login.

Just FYI, the agent switcher setting change recommended by others previously is not suitable. When I tried that fix I was unable to access a considerable percentage of the internet due to some cloudflare issue, so the agent switcher setting is not an option. So far, I have tried all recommended settings to fix this issue and nothing has worked.

I am surprised no one else is having this issue.

Any help is appreciated, or at least inform google/mozilla about this issue as it has been ongoing (on and off) for me for many months. And yes, this problem is persistent for me at the moment, it remains despite rebooting windows, despite clearing cookies and cache (which I have set to automatically delete when exiting firefox).

I can no longer print from firefox. The final print always comes out 1/5 +- size and is unreadable. It doesnt matter what king of a document it is and if I go to chrome or edge it prints fine. This began occurring I believe after the last version.

Just now, I tried to use "Email Link..." under the File Menu and got a pop-up asking me to "Choose an application to open the mailto link." I have seen this before, several times, and usually fix it by going to Tools > Settings, under General > Applications, select "mailto" under Content Type, then select Gmail from the drop-down menu.

This time, however, Gmail is not presented as an option, in this pop-up. Clicking "Choose..." just opens up a Windows Explorer file-picker window.

I tried to fix this in Tools > Settings, under General > Applications. There, "mailto" just shows "Use other..." and if I click that, the "Select Helper Application" pop-up window is basically blank, with a message at the bottom saying "No applications were found for this file type."

I refreshed Firefox but it did not solve the problem.

I have tried to attached images but they will not upload.

I am running v100.0.1 (64-bit) on Windows 11

Since the update that changed the cookie management, I have not been able to delete just my cache without losing all my cookies & login information. I'm no longer able to automatically sign into a bunch of my sites.

Access to Google sites (Gmail, Google Search, Google Calendar) with Firefox (v. 100.0, 64-bit) is very irregular. I can sometimes open the pages, but can't, e.g., edit calendar entries. Often when I click a bookmark (in the Bookmarks Bar), or enter the URL for a Google site, nothing happens. Clicking other bookmarks opens the corresponding pages. Only Google sites seem to be affected. Is FF blocking Google?

I went into about:config and changed the following values in order to widen the scrollbar:

css. scrollbar-width was true changed to false idget.non-native-theme.scrollbar.size.override was 0 changed to 100 widget.non-native-theme.enabled was true changed to false

Changing these values didn't widen my scrollbar. Without getting into coding, is there another way to make the scrollbar wider? (I changed them all back to the original settings when they didn't work.)