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When File Explorer of Windows 11 25H2 tries to access and open an icon-file in the FF (144-64bit) profile's 'shortcutcache' folder, explorer gets Access Denied. The account running Firefox has admin rights.

Looking to the ACL of the profile folder containing the folder 'shortcutcache' show no reason for the blocking. Trying this with a new profile did not help.

I must have done something to mess this up,can someone help me fix this, cannot bookmark. I have used Firfox for many years. Thank you. Joe Daraio email- [edited email from public community support forum]

Hi Can you please help i have tried everything to get rid of this message i have uninstalled and reinstalled i have constantly refreshed and nothing helps,I get the message The bookmarks and history system will not be functional because one of firefoxs files is in use by another application also for quick access place your bookmarks here on the bookmark toolbar. I am not very technical but it is driving me mad please fix this for me Thanks

Hi,

I have 2 machines (Win10 and Win11) with FF 140.3.1esr (32-bit) installed which demonstrates the same failure when I enter one site's url:

PR_CONNECT_RESET_ERROR

Chrome at the same machines goes at this url w/o any failures. Any ideas what to change on "about:config" in FF to allow it opening this url w/o such error?

Hello, Since I updated my iPhones to iOS 26 hell broke loose. On my iPhone 14 ProI can no longer use Firefox as it quits when I open it On my 15 Pro I can use it but most of the time I half only half of the window. I do want you to be my default browser. Can you help, please? How come there is not one article on this? Many thanks! Natalia Great fan of yours

Long-time user here. A month or so ago I switched from 128 esr to 139 release, and since then I have had constant messaging several times a day that folders could nor be compacted. I've verified everything, but the message still happens with annoying regularity. I saw on Reddit that this may be a known bug, but thought I would report it to the forum anyway. Hope that it will be resolved in the next release.

Very annoying to deprive me of my preferred news source. Firefox refuses to load any link on Netflix

   Here is the message "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."

Please fix this or advise Thank you. David Vosbein [edited email and phone# from public community support forum]

Since the last Firefox update, I am unable to sign into my Outlook account. When I click "Sign In" it opens a new tab with the sign-in buttons. Works fine in Edge and Chrome.

I keep getting a pop up when opening my mail that reads, "The folder on inbox (then gives my email address) could not be compacted because writing to folder failed. Verify that you have enough disk space and that you have write privileges to the file system and then try again".

I don't understand!!!

After wasting hours trying “this and that” – I did successfully "import" (not in the “import” menu) a single .EML (text) email file into my TB 115.10 e-client? I can’t remember how – and can’t duplicate it.

Yes, I know there’s an “extension” to do this, but if I did it only with TB 115.10 – why deal with the paranoia of permissions (must have access to everything)?

I need to “move” about 4000 emails from an ancient ISP (still used, too) into my TB 115.10 e-client – to then move to ”Folders” and then archive off-line. I can download emails (to my folder) from the ISP only individually as .EML files – and did get one successfully into TB (it reads [looks about the same] as an email “retrieved” by TB).

I can only “download” individual ISP emails (their rules, programming) so, hoping to set up a macro to “download” about 100 per day. My ISP inbox is almost full every day with new emails that must be deleted or “moved” due to new emails arriving every day.

Any ideas – or better still step by step suggestions?

Responses in Spanish are fine – French or Portuguese workable.

Dru <redacted>@OneImageDru.com

How to do a "hard string" search in TB? I have asked this question several times over the years and never got a real definitive answer?

I need to find the one email in 1000 that has ONLY these characters in only these spaces ONLY in ONLY this order. Only. I do not need to see any searches that begin with these characters or end with these characters or contain these characters I ONLY want to see ONLY searches with exactly this character in this first space and only this character in the second space, etc ...

The ability to all related to my "string" is fabulous (and much harder) most of the time, but sometimes, I just need to see ONLY that strict "hard string".

It's a basic beginner programmer compare operation. Should be easy, How do I do that (and only that)

Thanks,

Dru <redacted>@OneImageDru.com