Firefox 技術支援討論區

Help please.

I had to factory reset my laptop (or rather, an IT support person took over my machine and reset it before I could back up things properly!). I was not able to restore my previously opened tabs (there were a lot, like >100). It appears that all of those tabs still are showing on my mobile version of firefox as 'synced tabs'. Is there a way to pull that sync information from my phone to my laptop? If I press on "synchronise tabs" will the phone receive my laptops current tabs (not what i want), or will it update the laptop (what i do want)?

Thank you.

125.0.3 (64-bit)

I am always having this problem of losing all of my open tabs. I am sure I am not the only person who has many parallel task running. Then, for whatever reason, the browser crashes, and in opening the browser, the single "Restore Previous Session" button is the only lifeline back to all of that work.

Would it be too much to ask for a simple session restore feature that is indexed to history? So we could go back to yesterday's session, or last week's, and not lose so much.

This loss of ongoing work happens to me 2-3 times a year, and amounts to untold losses of time, effort, and money.

Ever since Firefox browser updated, my Home (specifically Shortcuts) has been glitching.

They do not show up, no matter how many rows I add or subtract. Web search and Recent activity still works (to an extent) but Shortcuts? Never again. Please fix it ASAP.

Native manifests describe where native messaging browser extensions can be found, as described here:

https://developer.mozilla.org/en-US/docs/Mozilla/Add-ons/WebExtensions/Native_manifests#native_messaging_manifests

Specifically on the MSIX version of Firefox available in the Microsoft Store, what directory does Firefox look in for native manifests?

The problem I need to solve is that I need to place a native manifest in a location where Firefox can see it, specifically in the new Windows MSIX installer. This seems to be reasonably straightforward, if I can confirm where that is.

hello firefox support, i recently signed into firefox on desktop but now i cant seem to remeber the account password so after making a new password after clicking on forgot password ,will i lose my bookmarks and ad-ons and all the customized settings? pls help me in this situation i dont want to lose my data pls .

Currently, when I try and open downloaded .txt files and .log files (that is, when I click on them directly from the download pop-up that appears at the top-right of the browser), Firefox inexplicably opens Aegisub on my machine as the app to use. This is in contrast to when I open it directly from within my file browser, where it opens the Kate text editor, as suggested by the default app option in the permissions of the filetype.

How do I change the apps Firefox uses to open downloaded files? I've tried going into my settings and looking at applications, but .txt and .log don't appear, so I'm not quite sure what to do.

I'm on Kubuntu 22.04.3 LTS, using the Firefox deb package.

Samsung Galaxy S24 Ultra running latest Android update and latest Firefox update. I set Firefox as my default browser. I have un-installed all updates for Samsung Internet and removed all permissions for it. Disabling it is greyed out. Some apps that I use have links to websites. Too frequently, when I go to one of those links, the intro screen for Samsung Internet opens. Then, when I look at the settings in Firefox it is no longer set as the default. Then I set Firefox to default and go to my phone settings to see that Firefox is selected as the default. If I open the previously mentioned app and choose the web link, Firefox will open. But somewhere along the way, the default changes back to Samsung Internet and it's a vicious circle. I have posted in a Samsung forum but haven't gotten a reply that solved the problem. Please help. Thanks Mike

Hello,

My company recently started using ActivTrak Monitoring software and I need some help configuring the setup for Apple computers. I'm trying to create a custom .mobileconfig to automatically turn on the browser extension and then stop the end users from turning the add-on off. I can successfully install and lock the extension on once installed but need to manually activate the add-on first. What do I need to add to the plist to enable the extension automatically?

Thank you!

When accessing my site (in attachment to avoid indexing), Firefox blocks with a "Possible security risk" interstitial. DoH requests to the configured https://dns.google/dns-query service work from an external application on the same machine as the browser, but about:networking#dnslookuptool reports the host being unknown.

slow browser takes long time to change screens & i have hi speed inernet & side skrool bar works half the time &stay loged in dont work makes you log in evertime fix website

Hello! I updated FLOORP on the 5th May, FLOORP crashed and then Brave, Firefox, Waterfox, LibreWolf and Vivaldi started crashing. I had Brave and Vivaldi open when I launched FLOORP and FLOORP asked consent to update itself and after updating, it did not open in “previous session” and I could not open “previous session” through History. When I launched “Settings” from menu, “previous session” opened! I had pinned “Settings” earlier.

Now the bizarre happens; suddenly LibreWolf launches by itself also without “previous session” and open tabs in Brave and Vivaldi disappear to single New Tab. After some tinkering, I was able to restore “previous session” in LibreWolf, Brave and Vivaldi.

Now I close all browsers and open Firefox, no “previous session” and some random windows in its history, opening these random windows also opened “previous session”! 🙄But then Waterfox launches also without “previous session”, here clicking on OneTab extension recovered “previous session”.

Cutting short; I uninstalled, Waterfox, LibreWolf and FLOORP, this did not help, I ran System Restore twice to two different points and it has not resolved the issue.

Thankful for any help!

OPEN PREVIOUS WINDOWS AND TABS is unchecked but upon startup firefox always tries to do this and I get an error message. Computer crashes, shutoffs, sleep mode and Firefox wants to go to my previous windows and tabs : I HAVE IT UNCHECKED FOR A REASON, I DON'T WANT TO GO TO PREVIOUS TABS.

How do I print a document from email, without the sidebar showing? It doesn't show up on the copy but it moves the document way over to the right with only 1/2 of it showing. I'm Electronically Challenged, Electronically Illiterate, please reply in simple English as I'm living proof that you cannot teach an old dog new tricks! Thank you

We are using a website designed for Firefox, and when we use the "print" function within the website tool bar, on one of our PCs, it always defaults to a print preview which states "Printing from Win32 Application - Print". We have "print.always_print_silent" set to true, on this and all of the other PCs using the website, but only this PC has the issue. We can't figure out what is making it pop up the print preview.

hi there, nowadays i am suffering a bad moment....because when i am trying to visit a website and trying to view an article the website automatically redirects to other sites,,,, and this is very disappointed..

so now i am asking for a solution to turn off auto redirect..

Hello, How can we disable QUIC with the latest ADMX or via registry entry on Windows 10. I see not settings under ADMX that can assist in doing so. I dont mind implementing a registry entry in GPO as well.

Thanks

I using kubuntu (ubuntu with kde) 22.04 and firefox will not recognize my security key. There is a really good thread on this here. It is now closed.

https://support.mozilla.org/en-US/questions/1412073

One of the solutions is to install firefox from the mozilla server. On other forums, this is referred to removing snap and installing the debs. I haven't tried this.

Reading through the thread however, it seems like the snap version should work. The manufacurers id and product code for my Thetis FIDO2 usb key are present in the etc/udev/rules.d/70-snap.firefox.rules

This answer says to disable apparmor. I tried that, but it didn't work.

I have quoted this answer below.

This isn't actually a firefox problem. KDE Neon uses the firefox package from the Mozilla Team PPA and there's nothing wrong with that package. The problem is that Neon enables app armor on firefox which breaks access to password managers and security keys. sudo aa-disable usr.bin.firefox works around the problem by disabling app armor for firefox. aa-complain was not sufficient in this case.

Is there anything else I can try?