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This Help Article: ( [|"Manage local site storage settings"]) says: Allow or block websites from storing information "You can set up Firefox to always allow or block specific sites from storing information. You can also allow a site to store only for a single session. "

So I added a URL into 'Cookies and Site Data' > 'Manage Exceptions' with the option "Allow for Session". But it appears to have no effect. The site's cookies and data don't disappear from the "Manage Cookies and Site Data" window after Firefox is quit.

Does "Allow for Session" mean that a site's cookies and data will be deleted when Firefox is quit? If yes, the feature is not working ... in my version of Firefox which is 115.32.0esr. Or, am I missing something? I have "Enhanced Tracking Protection" set at "Strict", if that has any relevance.

Thanks !

When I try to make a Google search I get the following message, "I'm not a robot" with a reCAPTCHA: "Our systems have detected unusual traffic from your computer network. This page checks to see if it's really you sending the requests, and not a robot. Why did this happen?". This happens on Firefox, but not Chrome or Edge. If I 'Allow' Google in the 'Exceptions - Cookies and Site Data' then I do not get the message, but it takes several seconds for Google display the resulting page. However, if I delete the cookies/cache the message will return and I have to redo the reCAPTCHA. I have scanned with Malwarebytes, Bitdefender, Hitman Pro, Trend Micro House Call and Microsoft Defender, nothing detected. Running Win 10 (64) with 'Extended Security Updates', Firefox 147.0 (64), no additional Extensions or Plugins. Also I uninstalled and reinstalled Firefox.

I've tried saving in an active private window, but no success. Testing in Firefox private window local programing errors. Clean-slate avoid past incorrect memory errors.

Bonjour, Depuis le 13 janvier 2026, tous les mails que je reçois vont directement dans le fichier "Quarantaine". Je ne reçois plus aucun mail dans la boite de réception ?! Je suis désemparé car je n'ai pas le souvenir d'avoir réalisé une action particulière de paramétrage. Cordialement Gérard Caparros somedex@sfr.fr

I was in Sweden and got the Skånetrafiken App on my mobile. Now I have a steady stream of Swedish Scam emails that go direct to my inbox. I have been reporting them but they keep coming daily. What can I do?

I teach an online Adobe Illustrator Course. Students upload (.ai) Adobe Illustrator files. Not .svg or .pdf. But Firefox changes the (.ai) extension to (.pdf) upon downloading. This is HIGHLY irritating. Firefox, in prior versions, did not do this. In Firefox settings for Applications, there isn't a choice for .ai (Adobe Illustrator) files. I 'assume' that when AI (artificial intelligence) became available is when Firefox began automatically changing (.ai) files to (.pdf). PLEASE SOLVE this as I have to manually change the (.pdf) extension BACK to (.ai) HUNDREDS of times a day.

Professor Brian Sauriol

See https://support.mozilla.org/en-US/kb/how-do-i-turn-do-not-track-feature :

> Many sites do not respect this indication of a person's privacy preferences and, in some cases, it can reduce privacy.

This really hurts to see from Mozilla.

You could have linked to Wikipedia: https://en.wikipedia.org/wiki/Do_Not_Track

Why did this policy change? I am aware of GPC: https://support.mozilla.org/en-US/kb/global-privacy-control

When I dye my hair in 5 colors, I'm aware that can reduce my privacy. I'm not trying to fit in. I'm trying to make a statement. To put a flag in the ground! Like your logo!

If you are going to make this sort of decision again, can you

• please*

not tell me it's for my own good because of privacy?

Can you just say the policy was changed next time? No elaboration is fine.

Please!

For Valentine's Day I would love it if Mozilla could let me set the DNT bit to 1 again. I would love you so much. I still do.

<3

All of a sudden I am getting loads of SPAM emails and when I try to unsubscribe, I get a Secure Connection Failed error. I have marked them as SPAM but they just keep coming, daily.

More of a comment. Firefox is the only browser I have used. Love it! Many important bookmarks to easily navigate. Broser update messed up bookmarks and took me hours to get back! Found. Save key and/or password! Learned a lot about profiles and Firefox along the way. Ugh!

I am trying to create a backup of FireFox for moving from a Windows 10 machine to a new Windows 11 machine. The instructions for creating a backup don't make any sense.

--- Click the main menu, and go to Settings. Select Sync. Scroll down to Backup, and click Manage backup. Choose the location to save the backup file. ---

When I click the Main Menu, go to Settings, Select Sync, there is no Backup listed. If I search for the term "Backup", this is the result: "Sorry! There are no results in Settings for “backup”. Need help? Visit Firefox Support".

Syncing is on, so I am assuming that FireFox is being backup?? Or am I missing something somewhere?

Hello,

I am having an issue with my Instagram account on PC (web version).

I can log in successfully, but after logging in the page does not load. It only shows the Instagram logo and stays stuck on the loading screen. Refreshing the page does not help.

Important details:

Instagram works normally on my mobile phone (app)

The account is not blocked or disabled

I changed my password successfully

I tried different browsers (Firefox, Edge, Chrome)

I cleared cache and cookies

I tried private/incognito mode

The problem only happens on PC, not on mobile

Because everything works fine on my phone, I believe this is a problem with the Instagram web version or a browser-related issue on your side.

Please check my account and let me know how I can fix this or regain normal access on PC.

Thank you for your help.

Which data are stored in "User Data" and how to clear this kind of stored data? When deleting data in the privacy settings in Firefox, the "User Data" storage is still unchanged. Also "Cache" is not cleared completely.

The "User Data" raises up to 1GB. It is only possible to clear it by completely wiping all data via "Clear Storage" but then everything is wiped, also all Firefox settings etc. "Clear Cache" obviously only wipes the Cache.

Hi everyone,

I’m using Firefox for Android on a fairly recent device and wanted to ask about performance when running web-based applications that are a bit heavier than normal websites.

Specifically, when using browser-based emulation tools or interactive web apps, I notice higher memory usage, occasional tab reloads, and sometimes audio or input lag after a few minutes. This doesn’t always happen on simpler sites, so it feels related to how Firefox handles long-running JavaScript and WebAssembly workloads on Android.

I wanted to ask:

Are there any recommended Firefox settings or flags to improve performance for heavier web apps?

Is Firefox for Android known to aggressively suspend tabs under memory pressure?

Would using private tabs, disabling certain features, or changing about: config settings help in this case?

I’m mainly trying to understand whether this is expected behavior or if there are optimizations I can apply.

Thanks in advance for any guidance.

I can't read my mails and every time i open Thunderbird i get told that my registration failed and i have 3 Options to choose "try again", "enter new password" and "cancel". Doesnt matter ehich one I choose i can't read my mails or receive any and the same message and the same options pop up again.