Diễn đàn hỗ trợ Firefox

I can't open anything in the browser. It always says "secure connection failed" and I cannot reach anything get anywhere within the use of the browser. No matter what I do try. I have looked at a number of workarounds posted online but nothing seems to work. I need some help. I use Windows 10

Hi there,

I would like the option "Delete cookies and site data when Firefox is closed" to be enabled, but it appears that Firefox is actively undoing this change. If I go into settings and check this box, it will appear to be successful and remain checked until that session is over, but if I close & restart, the box is always unchecked after restarting. Is this a bug in the build of Firefox I'm running (102), or is this behavior intended?

Thank you!

Where is the Export Login file saved? I am concerned about Warning message: Warning: Your passwords in the exported file will not be encrypted and will be in a readable form to anyone who can view this file. Do not upload online, email or share the exported file. Delete this file when finished. Export login data from Firefox

view this file. Do not upload online, email or share the exported file. Delete this file when finished.

When using 365 Outlook, I was sending message to Notes 365. It was working yesterday, but is failing today. I get the message noted below:

"We're sorry. We couldn't fetch your notebook. Please try again later. Details Error: The operation is insecure.Date: 2022-06-30T20:50:27.878ZSession ID: 0b74e553-3b1a-4c21-be65-b0f493b11951"

I was able to Edge to get it to work - but want to use Mozzilla...

Please help me! Last week, was the victim of a computer scam. I called the 888# pop-up on screen. Looked so real w/MS logo and MS defender logo. I stupidly gave my IP address, name, cellphone #, (which I reported to MS fraud division and the FBI). (I installed a VPN, after the fact.) I can't believe I was so taken in by this guy.

  I went to my bank in person and gave them my new email address.  I tried to log in to my online banking today. Message "Secure Connection Failed. You are not securely connection to this site.Your connection to this site is not private. Information you submit could be viewed by others (like passwords, messages, credit cards, etc.) "
Now, I'm terrified that this scammer has access to my computer.
I'm afraid to access my online banking. He may even have access to my other online accounts, such as my cable, retail stores, etc. where I changed my email addresses and passwords.
Even if I can get "securely connected" how do I know I'm safe from these guys who have my IP address?
 What can I do?  Can someone please help me? Or make a suggestion as to where I can go to resolve this (if possible?
 Thank you so much.

Did Not Connect: Potential Security Issue

Firefox detected a potential security threat and did not continue to www.google.com because this website requires a secure connection.

What can you do about it?

www.google.com has a security policy called HTTP Strict Transport Security (HSTS), which means that Firefox can only connect to it securely. You can’t add an exception to visit this site.

The issue is most likely with the website, and there is nothing you can do to resolve it.

If you are on a corporate network or using anti-virus software, you can reach out to the support teams for assistance. You can also notify the website’s administrator about the problem.

When clicking advanced button there is no way to proceed:

Someone could be trying to impersonate the site and you should not continue.

Websites prove their identity via certificates. Firefox does not trust www.google.com because its certificate issuer is unknown, the certificate is self-signed, or the server is not sending the correct intermediate certificates.

Error code: SEC_ERROR_UNKNOWN_ISSUER

View Certificate

When I start a private window on FireFox, that same private window still has all the browsing history attached to my "normal" FireFox windows.

Ideally, I'd like to start Private Mode and have FireFox start from "zero": No access to past browsing data.

Is there a setting that allows for this?

When I join a Google Hangout and try to share my entire screen, Firefox always prompts me whether to share a window or the entire screen. I always want to share the entire screen. But when I enable the checkbox for "Remember this decision" I get this warning: Firefox can not allow permanent access to your screen.

Why does this happen? Is it because I'm on a unbuntu or is it specific to ubuntu Catalina?

A similar 'not secure' warning had been appearing in Edge; clearing the cache eliminated the warning. Clearing the Firefox cache has not helped, nor has resetting. No warning has ever appeared in Chrome.

Windows 10. Firefox 102.0 (64-bit).

Any suggestions?

Update: I uninstalled and re-installed Firefox. The warning no longer appears.

Firefox is showing me the same blocked (and cancelled) download on each startup. Firefox tries to download same file every time I open it. I have seen this issue in several threads. I want to share my experience in resolving it:

In your Firefox profile folder (%appdata%\Mozilla\Firefox) look for the file download*.json (the asterix represents some characters I did not record). If it contains the strange link for that file he is trying to download all over again at each startup, delete the text ad save the now empty file. At the following startup, the issue should be resolved and the download*.json should disappear from your profile folder.

I hope this helps.

Additional info: This happened to be after trying to download a file from bit-files.com. < -- DO NOT OPEN ONLY FOR WARNING This issue was reported also for depositfiles.com by others. < -- DO NOT OPEN ONLY FOR WARNING Other threads on the same issue: Firefox tries to download same file every time I open it - https://support.mozilla.org/en-US/questions/922373 firefox 28 automatically tries downloading a file when it starts - https://support.mozilla.org/en-US/questions/992386 Firefox is showing me same blocked (and cancelled) download on each startup - https://support.mozilla.org/en-US/questions/1333402

While using Firefox I am unable to access two of my online accounts, one for my VPN and one for my Credit Union. So I use Microsoft Edge to access these two websites with no issue. I get this security warning using Firefox: "Secure Connection Failed An error occurred during a connection to www.ftwccu.org. PR_END_OF_FILE_ERROR 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."

I wish to backup my password file and tried to follow: https://support.mozilla.org/gl/questions/1189644

I could not work it out and suspect the instructions refer to a version of Firefox I'm not using. My version is 68.12.0esr.

Thanks

Hi, Downloading files to a system directory (Linux) such as /home/me/doc/here /home/me/doc/there Have Ask me where to save files checked.

But lastDir is not a real directory I can navigate, such as /run/user/1000/doc/3dcccd48

This causes the user needs to navigate sometimes very long system directory tree for each successive file download.

In about:config I set:

 browser.download.lastDir 
 browser.download.lastDir.savePerSite	false	
 browser.open.lastDir

But every time these are obfuscated to something like: /run/user/1000/doc/3dcccd48

This introduces about 10 user interactions with mouse/keyboard for each file I download in succession.

How do I get FF to stop obfuscating real system directories for "lastDir"

Really really appreciate the help :)

"Did Not Connect: Potential Security Issue

Firefox detected a potential security threat and did not continue to www.pinterest.com because this website requires a secure connection.

What can you do about it?

www.pinterest.com has a security policy called HTTP Strict Transport Security (HSTS), which means that Firefox can only connect to it securely. You can’t add an exception to visit this site.

The issue is most likely with the website, and there is nothing you can do to resolve it.

If you are on a corporate network or using anti-virus software, you can reach out to the support teams for assistance. You can also notify the website’s administrator about the problem."