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Firefox won't accept https pages - constant error messages - can't log in anywhere.

Running Windows 10 on HP Pavilion Desktop, Firefox stopped allowing any access to https pages 5 days ago. Constant immediate error messages, sometimes "Secure Connection … (læs mere)

Running Windows 10 on HP Pavilion Desktop, Firefox stopped allowing any access to https pages 5 days ago. Constant immediate error messages, sometimes "Secure Connection Failed", sometimes "Connection timed out".

(I am posting this from an old Windows 7 Computer ( I can't from the Windows 10 one as I can't log in on it - no chance of syncing it).

I have Kapersky and contacted them and not Kapersky problem. Did clean resintalls of Firefox. No Joy. Tried old versions of Firefox. No Joy.

Hired a techie geek, they spent 8 hours trying to get it to work. We tried everything in this link plus more https://support.mozilla.org/en-US/kb/troubleshoot-extensions-themes-to-fix-problems


Really don't want to try a System Restore. Am I doomed to Chrome?

Stillet af Zirka for 4 år siden

Seneste svar af Zirka for 4 år siden

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Receiving SEC_ERROR_UNKNOWN_ISSUER on all sites because of which I am unable to access anything

The issue is with my firefox installed on my dell inspiron, working on windows 8.1. I am unable to access any site, even the google home page does not open and displays "… (læs mere)

The issue is with my firefox installed on my dell inspiron, working on windows 8.1. I am unable to access any site, even the google home page does not open and displays "Insecure connection" with error code: SEC_ERROR_UNKNOWN_ISSUER. I am writing to you from my computer but the problem is with firefox installed on my dell inspiron. I tried to download some malware scanners mentioned on the mozilla support site but I'm unable to load any site on the laptop.

Stillet af NidhiS for 5 år siden

Seneste svar af jscher2000 for 5 år siden

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Unable to download PDF file for bank monthly statements

For the past month I've stopped being able to download the PDF file for my monthly bank statements. I've exchanged multiple e-mails with my bank's Online Banking technic… (læs mere)

For the past month I've stopped being able to download the PDF file for my monthly bank statements. I've exchanged multiple e-mails with my bank's Online Banking technical support, but no one there is using Firefox 40; only IE, which Avast broke for me a couple of years ago and has been non-functioning ever since.

One thing I wanted to try is to prevent Firefox from opening the PDF file into its own browser window. I just want to download the file, not view it in the browser (which is failing to happen anyway). Is there anything in about:config that I could tweak to prevent Firefox from firing up its own PDF internal viewer? What may be complicating matters is that I refuse to use Adobe as my PDF reader. BLOATWARE. Instead I use Foxit Reader, which is extremely fast, small, has never failed me in the past and continues to work perfectly when I download PDF files from all other web sites.

One more thing. When Firefox is downloading the file in question the download proceeds quite rapidly, then abruptly stops. The error message that pops up is as follows:

"Secure Connection Failed

The connection to the server was reset while the page was loading.

• 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."

One final thing: I am on a dial-up connection. But since the download appears to proceed quite rapidly (takes less than twenty seconds before it suddenly quits on me), then I rather doubt my slow connection speed could be causing the problem.


Thanks in advance for any assistance with this problem.

Stillet af Dandelion for 5 år siden

Seneste svar af Dandelion for 5 år siden

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Can't Search in Firefox with Windows 10

I followed the instructions in "This Connection is Untrusted" error message appears - What to do and deleted cert8.db. I restarted Firefox but the problem persisted … (læs mere)

I followed the instructions in "This Connection is Untrusted" error message appears - What to do and deleted cert8.db. I restarted Firefox but the problem persisted

Stillet af h_g for 5 år siden

Besvaret af jscher2000 for 5 år siden

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After clicking on a prompt to refresh Firefox, I lost my add-ons and many websites give me "This Connection is Untrusted" and won't load correctly.

I foolishly responded to a prompt on my screen suggesting there was a problem with Firefox. I clicked Refresh Firefox and seemed to be on a genuine page. After that I had… (læs mere)

I foolishly responded to a prompt on my screen suggesting there was a problem with Firefox. I clicked Refresh Firefox and seemed to be on a genuine page. After that I had lost my add-ons, like Ghostery. All attempts to access it failed as I either got an 'Untrusted Connection' message or simply a list of words from the website (in blue). Even the page for add-ons from the Firefox menu does not work. Then I discovered that other pages like Yahoo, gmail, and Wunderground gave the same problem. Firefox has become unusable. I uninstalled it and renewed it, to no avail.

Stillet af digbythrust for 4 år siden

Besvaret af philipp for 4 år siden

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Why can't I download anything?

I am having trouble with downloading anything in Firefox. I can't download files from the internet and can't install any add-ins. I always receive a "download failed" mes… (læs mere)

I am having trouble with downloading anything in Firefox. I can't download files from the internet and can't install any add-ins. I always receive a "download failed" message. I have tried all the suggestions in the download issues page, configuring my firewall and reinstalling a clean version of Firefox and nothing works.

Can anyone help me?

Stillet af dmilic for 4 år siden

Besvaret af Tonnes for 4 år siden

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Firefox doesn't load webpages after 44.0 update on Mac OS

It works fine for maybe 2 hours and then it stops loading any website. My other browsers still work. I have to force quit Firefox to get it to load pages again. It stops … (læs mere)

It works fine for maybe 2 hours and then it stops loading any website. My other browsers still work. I have to force quit Firefox to get it to load pages again. It stops responding when I just quit the app so I have to force quit it. I've tried all the troubleshooting steps: Changing proxy, enabling/disabling firewall etc. but none of it seem to work. It's really annoying at this point! Any help?

Stillet af Kyrie01 for 5 år siden

Seneste svar af guigs for 5 år siden

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Yahoo mail gives untrusted connection error

When I log into Yahoo mail on Firefox 40.0.3 (on Windows 7) on my company-supplied laptop, I get this message: "You have asked Firefox to connect securely to us-mg5.mail.… (læs mere)

When I log into Yahoo mail on Firefox 40.0.3 (on Windows 7) on my company-supplied laptop, I get this message: "You have asked Firefox to connect securely to us-mg5.mail.yahoo.com, but we can't confirm that your connection is secure."

I cannot create an exception: "This site uses HTTP Strict Transport Security (HSTS) to specify that Firefox only connect to it securely. As a result, it is not possible to add an exception for this certificate."

The "technical details" section states: "us-mg5.mail.yahoo.com uses an invalid security certificate. The certificate is not trusted because the issuer certificate is unknown. The server might not be sending the appropriate intermediate certificates. An additional root certificate may need to be imported. (Error code: sec_error_unknown_issuer)"

This does not happen at home, so the company laptop has something to do with it, but, even on the company laptop I do not have this problem when using Chrome, so it's not that the company does not allow access to outside mail.

On Firefox, the problem is intermittent. Sometimes, there is no problem and everything works fine. Clearing history/cookies/cache and restarting does not fix the problem. It sometimes goes away on its own for a little while, but then returns.

I have searched every database I could for answers, but have found no solution yet. The computer clock is correct, I'm not using Avast, etc. (some of the other situations I've run across).

I hope that I can get this resolved, because I'd rather keep using FF, which I've used for years, than switch to Chrome.

Thanks for your help, in advance.

Stillet af GrishaTigger for 5 år siden

Besvaret af jscher2000 for 5 år siden

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I keep getting Connection Timed Out

Recently I have been getting the Connection Timed Out on certain sites. I have cleared my cache and cookies, and it still happens. I tried it in safe mode and it still … (læs mere)

Recently I have been getting the Connection Timed Out on certain sites. I have cleared my cache and cookies, and it still happens. I tried it in safe mode and it still happens. I am not sure what else to do besides just uninstalling and reinstalling firefox, and I don't know if that will even help.

Now, here is the real kicker. The warning doesn't always to it to the same sites, and it almost happens randomly. For the longest time it didn't happen, and now it seems to start up again.

So I really have no idea what to do. Can someone please help me. Also I am a bit of a novice when it comes to computer speak, so if you have a question that may be a bit overwhelming, could you dumb it down a bit for me.

Stillet af mrpie for 5 år siden

Besvaret af mrpie for 5 år siden

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Firefox rejects google as a "your connection is not secure"?

Since upgrading to firefox 50.0.1 I cannot do a search with Google (or any other engine) search. I get "Your connection is not secure". Everything works with Chrome and… (læs mere)

Since upgrading to firefox 50.0.1 I cannot do a search with Google (or any other engine) search. I get "Your connection is not secure". Everything works with Chrome and Safari. I have a MACBook Pro OSX 10.12.1 with no antivirus. Firefox is set up to ignore IVP6 and I have no proxy. I can't even run the "SSL Labs' test page" as suggested by the Mozilla help pages. What is going on? What is stopping searches. I can browse other pages without a problem. thanks for any help.

Stillet af robsj for 4 år siden

Besvaret af jscher2000 for 4 år siden

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Sync will not start up when I click on it - I get a new tab but no contents even after several minutes

had updated firefox while still connected to sync. once the update finished, I attempted to confirm sync activity but was unable to see the sync page. uninstalled and… (læs mere)

had updated firefox while still connected to sync. once the update finished, I attempted to confirm sync activity but was unable to see the sync page. uninstalled and reinstalled using a new clean copy of firefox but no change. I have confirmed that I have access to the sync process through another pc and direct web page connection. am continuing to troubleshoot by checking system with Malwarebytes and avast AV.

can you suggest any remedies?

Stillet af pryde7704 for 6 år siden

Seneste svar af pryde7704 for 6 år siden

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Beveiligde verbinding mislukt / Secure connection failed

[NL] Als ik sites als facebook.com en youtube.com wil openen krijg ik de melding "Beveiligde verbinding mislukt". Hoe los ik dit op? Andere sites als google.com, 9gag.com… (læs mere)

[NL] Als ik sites als facebook.com en youtube.com wil openen krijg ik de melding "Beveiligde verbinding mislukt". Hoe los ik dit op? Andere sites als google.com, 9gag.com en instagram.com (eigenlijk alle andere sites die ik uitgeprobeerd heb) doen het wel!

[EN] When I open sites like facebook.com and youtube.com I get the message "Secure connection failed". How to fix this? Other sites like google.com, 9gag.com and instagram.com (basicly every other site I tried) are doing well!

Stillet af GvanBakel for 5 år siden

Besvaret af cor-el for 5 år siden

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Secure Connection Failed in mozilla firefox...

Hi, I have a problem accessing to ONE website, that is Outlook.com... I REALLY need to see my emails! Desperation's kicking in. Please help me to fix this problem, I have… (læs mere)

Hi,

I have a problem accessing to ONE website, that is Outlook.com... I REALLY need to see my emails! Desperation's kicking in. Please help me to fix this problem, I have tried literally everything! This is the error that I keep getting:

Secure Connection Failed

The connection to the server was reset while the page was loading.

   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.

Report this error ▼

Any help will be appreciated.

Stillet af oscuridadgatuna for 5 år siden

Seneste svar af FredMcD for 5 år siden

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Firefox not loading webpages correctly or securely and without the correct permissions. It's a mixture and depends on the website.

I get a mixture of these when I attempt to load a secure website. 1. uses an invalid security certificate. The certificate is not trusted because the issuer certificate … (læs mere)

I get a mixture of these when I attempt to load a secure website.

1.

uses an invalid security certificate. The certificate is not

trusted because the issuer certificate is unknown. The server

might not be sending the appropriate intermediate certificates.

An additional root certificate may need to be imported. (Error

code: sec_error_unknown_issuer)


2. Permissions you have not granted this site any special permissions


3. Connection is not secure

I have deleted cert8.db. I have refreshed firefox. Some sites will load secure but will still not have permissions. Other sites i.e support firefox will load but it will be in all text be secure but will still not have permissions. Youtube the site will load but videos don't play and certain things on the website will just not load correctly. I am running windows 7 x64 and I use eset nod 32 9 as my anti-virus.

My firefox was working just fine then I woke up today tried using it as normal and pages would have all those combinations of issues. It always has on all sites with security now

2. Permissions you have not granted this site any special permissions

Other internet browsers do work and are secure I just really want to get back to using firefox.

Stillet af clack for 5 år siden

Seneste svar af cor-el for 5 år siden

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I can't load google.com, other websites load just fine.

For the past 3 days I have been getting the error message: "The connection has timed out The server at www.google.com is taking too long to respond. The site could be… (læs mere)

For the past 3 days I have been getting the error message: "The connection has timed out The server at www.google.com is taking too long to respond.

   The site could be temporarily unavailable or too busy. Try again in a few moments.
   If you are unable to load any pages, check your computer's network connection.
   If your computer or network is protected by a firewall or proxy, make sure that Firefox is permitted to access the Web."

Whenever I try to load google or gmail or any other google related website. I have had no problems loading any other website. No changes were made prior to this error starting, I have run updated antivirus and anti malware programs, cleared cookies cache and browser history, restarted several times, even restarted to last known good configuration, nothing has fixed the problem.

Stillet af vaguedurin for 5 år siden

Seneste svar af vaguedurin for 5 år siden

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Removed certificate from website. And firefox keeps adding the s back in the address? How do I stop firefox from doing that?

Removed certificate from website. So it went from "https://" to "http://". And firefox keeps adding the s back in when I type the address in the address bar and using lin… (læs mere)

Removed certificate from website. So it went from "https://" to "http://". And firefox keeps adding the s back in when I type the address in the address bar and using links. How do I stop firefox from adding the "s" back in? I tried deleting cookies, clearing the cache, and deleted firefox. Then I reinstalled firefox and it didn't fix it.

Stillet af gilberteaz for 4 år siden

Seneste svar af FredMcD for 4 år siden

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Your connection is not secure

Just made a new login on my iMac. Downloaded Firefox 46.0.1. Got "your network is not secure" on literally every page. Messed with some settings and was able to work (don… (læs mere)

Just made a new login on my iMac. Downloaded Firefox 46.0.1. Got "your network is not secure" on literally every page. Messed with some settings and was able to work (don't know which). Downloaded some add ons like HTTPS everywhere, uBlock Origin). Was working fine. Tried to get Pocket add on and everything crashed twice. Deleted Avast, didn't fix. Deleted and reinstalled Firefox, still nothing. I can't even access my add ons page.

Stillet af BD0000 for 5 år siden

Seneste svar af FredMcD for 5 år siden

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Deadend website

I am trying to get to whona.com and am being told that it is trying to get me to a dead end website. I am able to get to this website using Microsoft Edge and IE @ work.… (læs mere)

I am trying to get to whona.com and am being told that it is trying to get me to a dead end website. I am able to get to this website using Microsoft Edge and IE @ work. Please let me know how to fix this issue. Thanks.

Stillet af lostandconfused2016 for 5 år siden

Seneste svar af cor-el for 5 år siden

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SSL_ERROR_INAPPROPRIATE_FALLBACK_ALERT on specific website

Hi there, I'm trying to troubleshoot an issue that seems to be specific to FireFox and a specific website. If you browse to www.denali.gov with FireFox, and then on the r… (læs mere)

Hi there,

I'm trying to troubleshoot an issue that seems to be specific to FireFox and a specific website.

If you browse to www.denali.gov with FireFox, and then on the right side of the page click on "Denali Commission Project Database", FireFox will first pop up a message that says: "Your connection is not secure"

Here is a direct link to the page: https://www.denali.gov/dcpdb/index.cfm?nossl=true&fuseAction=Indicators.ShowProjectMapLink

Then if you click on Advanced and click the "(Not secure) Try loading www.denali.gov using outdated security" that page will fail to load with the following error message:

"An error occurred during a connection to www.denali.gov. The server rejected the handshake because the client downgraded to a lower TLS version than the server supports. Error code: SSL_ERROR_INAPPROPRIATE_FALLBACK_ALERT"

Before anyone says "have you tried searching our forums or Google?", I've been researching this issue for the past hour and have not been able to come up with a solution. I checked the TSL settings on the "about:config" page and changed the version.min settings, but that does not fix the problem.

I have not been able to come up with anything, and so I turn to you guys... :-)


Has anyone seen this issue before and has a fix? The error is easily reproducible: Browse to the page using FireFox and I'm sure you'll see the same error.

However, the page loads fine in other browsers. Except, I don't want to use other browsers; I want to use FireFox.

Stillet af Aschoonbeek for 5 år siden

Besvaret af jscher2000 for 5 år siden