"This connection is untrusted" message on many (most?) sites (including some of Mozilla's) with V16.0.1.

"This connection is untrusted"
This message box pops up with most sites and links since I updated Firefox. This includes basic links in troubleshooting articles such as the SSL test and other "try this" links on the troubleshooting page. I have NOD antivirus and firewall enabled, and have no issues with other search engines (Explorer and Chrome). I like Mozilla and don't want to abandon it. Please help.
Facebook was the first, but there are too many to list.

I reset my date to resolve a printer issue earlier today. the messages started after this, I've now reset the date to the correct one and bingo - all is well again.
maybe a longshot for you but check it anyway.

Similar Messages

  • Mac users get "this connection is untrusted" message although I have an SSL cert

    I have a new ecommerce website for which I paid to have an SSL certificate. Mac users browsing in Firefox are getting a "This connection is untrusted" message. Users are offered a "Get me out of here button" or can click on "Technical Details" or "I understand the risks". Most choose to get out.
    Mac users can browse in Safari with no problem, PC users don't have the issue in any browser, including Firefox.

    You can check the certificate chain via a website like this:
    *http://www.networking4all.com/en/support/tools/site+check/

  • I am trying to access an https site and am getting a "This connection is untrusted" message. I am willing to bypass, but when I click the Add Exception button and then try to click the Confirm Security Exception button, nothing happens.

    I am trying to access an https site and am getting a "This connection is untrusted" message. I am willing to bypass, but when I click the Add Exception button and then try to click the Confirm Security Exception button, nothing happens.

    unfortunately the do_not_trust certificates might be a sign of unwanted software present on your pc that is intercepting secure network traffic. please go into the system control panel and uninstall programs like BrowserSafeguard, BrowserSafe, SafeGuard or other software that sounds suspicious and didn't get installed by you intentionally.
    <br><sub>reference: https://support.mozilla.org/en-US/questions/982532#answer-520145</sub>
    afterwards, run a full scan of your system with different security tools like the [http://www.malwarebytes.org/products/malwarebytes_free free version of malwarebytes] & [http://www.bleepingcomputer.com/download/adwcleaner/ adwcleaner].
    [[Troubleshoot Firefox issues caused by malware]]

  • How do I get rid of the "This Connection is Untrusted" message?

    I have used my firefox browser for 1 1/2 without any problems. Now all the sites I go to give me the warning message that "This Connection is Untrusted." I can no longer access email or my university website to see my grades- nothing works. Even when I click that I understand the risks and verify the certificate, I can still only get so far- but it's never all the way to where I need to be.
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    Thanks jscher2000 and cor-el for your help! It turns out it was a date and time issue. I'm glad to say it's all fixed now! Thanks again!

  • "This Connection is Untrusted" message started appearing alot.

    I started getting this message a while ago.
    It does not only appear with youtube.com i remember that it also appeared with google.com and probably some other websites.
    Not on all secure connections (https)
    Message,
    This Connection is Untrusted
    "You have asked Firefox to connect
    securely to youtube.com, but we can't confirm that your connection is secure."
    "youtube.com uses an invalid security certificate.
    The certificate is not trusted because it was issued by an invalid CA certificate.
    (Error code: sec_error_inadequate_key_usage)"
    http://img600.imageshack.us/img600/6679/capturegro.png

    Issued by Kaspersky

  • As of today I get "This connection is untrusted" message for EVERY website, including all the ones that I've bookmarked and been using for years.

    It's not an exception problem, as I get it on all the websites I try to visit and all of these have worked for years.

    Who is the issuer of the certificate?
    You can retrieve the certificate and check details like who issued certificates and expiration dates of certificates.
    *Click the link at the bottom of the error page: "I Understand the Risks"
    Let Firefox retrieve the certificate: "Add Exception" -> "Get Certificate".
    *Click the "View..." button and inspect the certificate and check who is the issuer of the certificate.
    You can see more Details like intermediate certificates that are used in the Details pane.
    If <b>"I Understand the Risks"</b> is missing then this page may be opened in an (i)frame and in that case try the right-click context menu and use "This Frame: Open Frame in New Tab".
    *Note that some firewalls monitor (secure) connections and that programs like Sendori or FiddlerRoot can intercept connections and send their own certificate instead of the website's certificate.
    *Note that it is not recommended to add a permanent exception in cases like this, so only use it to inspect the certificate.

  • I keep getting 'This connection is untrusted' message

    I know there is a whole article about this problem, but it did not help me to solve my problem. My computer date and time are right, I deleted Java, there is no SSL or anything like that on my computer. I even uninstalled Mozilla and then downloaded it again (losing all my bookmarks). The same problem persists. When I 'override' the message, for a page like Hotmail, it just goes blank and I can't access my email.

    ok thanks!. yes, unfortunately the fiddler2.com issuer in certificates might be a sign of unwanted software present on your pc that is intercepting secure network traffic. please go into the system control panel and uninstall programs like BrowserSafeguard, BrowserSafe, SafeGuard or other software that sounds suspicious and didn't get installed by you intentionally.
    <sub>reference: https://support.mozilla.org/en-US/questions/982532#answer-520145</sub>
    afterwards, run a full scan of your system with different other security tools like the [http://www.malwarebytes.org/products/malwarebytes_free free version of malwarebytes] & [http://www.bleepingcomputer.com/download/adwcleaner/ adwcleaner] which are specialised in detecting adware and browser hijackers.
    [[Troubleshoot Firefox issues caused by malware]]

  • Why do I constantly get "This Connection is Untrusted" intermittently and showing unrelated site names?

    Greetings,
    I am using firefox 34.0 on Win7 64bit. This issue occurs intermittently and after I've been viewing and navigating a known secure website. The error message will show completely unrelated sites under the "Technical Details". If I close the browser and restart it, and return to the known secure site the next time the error occurs the sites listed will be different.
    in addition the sites listed have not been visited during that browsing session. And none are accessed through the viewed pages (i.e. "ads").
    I have read the other questions of this type and their solutions and tried them. Nothing has helped. This problem started either in 32.0 or 33.0.
    Thanks!

    Are you referring to the issuer domain of the certificate?
    What sites do you see listed?
    Do a malware check with several malware scanning programs on the Windows computer.
    Please scan with all programs because each program detects different malware.
    All these programs have free versions.
    Make sure that you update each program to get the latest version of their databases before doing a scan.
    *Malwarebytes' Anti-Malware:<br>http://www.malwarebytes.org/mbam.php
    *AdwCleaner:<br>http://www.bleepingcomputer.com/download/adwcleaner/<br>http://www.softpedia.com/get/Antivirus/Removal-Tools/AdwCleaner.shtml
    *SuperAntispyware:<br>http://www.superantispyware.com/
    *Microsoft Safety Scanner:<br>http://www.microsoft.com/security/scanner/en-us/default.aspx
    *Windows Defender:<br>http://windows.microsoft.com/en-us/windows/using-defender
    *Spybot Search & Destroy:<br>http://www.safer-networking.org/en/index.html
    *Kasperky Free Security Scan:<br>http://www.kaspersky.com/security-scan
    You can also do a check for a rootkit infection with TDSSKiller.
    *Anti-rootkit utility TDSSKiller:<br>http://support.kaspersky.com/5350?el=88446
    See also:
    *"Spyware on Windows": http://kb.mozillazine.org/Popups_not_blocked
    *https://support.mozilla.org/kb/troubleshoot-firefox-issues-caused-malware

  • Firefox Nightly keeps bugging me with "This Connection is Untrusted" on every single site I visit

    So I am trying out the new FireFox Nightly, as it was suggested by a friend to me. Now I am liking it at first, but when I remove all my old FireFox stuff (completely uninstalled as there was alot of useless junk/plugins/data that I wanted gone) I am now getting this "This Connection is Untrusted" message on every single site I visit! It even says that the mozilla site is dangerous. So is there any way to disable these warnings?

    Hello Rykuu, also, check the time and date of your system, if the date and time on the computer are wrong then security certificates may not be valid.
    which security software do you have (firewall or/and anti-virus)?
    thank you

  • Wrong messages about invalid certifcates - "This connection is untrusted"

    Introduced with appr. FF 11/12/13 I experienced very often, nearly reproducible, "This connection is untrusted" messages when trying to connect to 100% trustworthy sites with 100% trustworthy and valid certficates. Sometimes on initial connect, sometimes within a https session. Very often reproducible:
    - Connect to https site - fine
    - connect to whatever http (NOT https) site in another window/tab: fine
    - switch to first tab window/tab and navigate to different page: "connection is untrusted"
    When message appears on first connect: Close FF, restart FF. Maybe several times.
    As I've checked my machine with several malware etc. tools available to be sure not to have any trojans or similar sh... on my machine, also traced with sysinternal.com tools the TCP/IP traffic, process activtity etc., I'm sure that my machine is clean.
    As now, FF 14.0.1, this DOES NOT happen again, have there been any known issues about this behaviour?

    Which security software (firewall, anti-virus) do you have?
    Some security software intercept secure connections and send their own certificate.
    Some examples are ESET and Bitdefender.
    *ESET setup -> advanced setup -> extend web and email tree -> SSL
    *SSL protocol: Do not scan SSL protocol
    Disable Scan SSL in the BitDefender settings.
    *BitDefender -> Privacy settings -> disable Scan SSL

  • I get "This Connection is Untrusted" on every website?

    I've uninstall firefox and changed the time and I can't get the bowser to work. Every single webpage gets the This Connection is Untrusted message. Every website gets the error message (Error code: sec_error_unknown_issuer). I don't have any problems with IE only firefox won't work. I just bought the computer 2 days ago so im sure its not a virus. I have Kaspersky internet security

    It didn't work. I could not find KasperskyAnti-VirusPersonalRootCertificate in firefox. I have windows 8.1 so I don't have a start button. I made hidden folders viewable from the control panel, but I couldn't find the certificate

  • "This Connection is Untrusted" without the "I Understand the Risks" option?

    I am running Firefox 33.1 on Windows 7 Ultimate. In the recent past I get the "This Connection is Untrusted" message every single time I sign into a hotel or airlines club to get access to the internet. The accompanying "I Understand the Risks" option is not present, just the "Get Me Out of Here." If I did not have Opera and Chrome and IE on my computer as a back-up I would not be able to access the internet other than when I am at home. Please do not suggest clearing cache and cookies. In my 30 + years of computing experience the only time that has helped is with a password issue, when a password seems to get locked in.

    does it make a difference when you go into the firefox ''menu ≡ > options > advanced > network > connection - settings...'' and set firefox to directly connect to the internet (that's the 'no proxy' option)?

  • This Connection is Untrusted - every website

    I keep getting the 'This Connection is Untrusted' message. It's on all websites.
    == This happened ==
    Every time Firefox opened

    Hey, I had this same problem. The problem is caused by your computer time and date being off from the actual time and date. There is a very simple solution. Check your date and time on your computer. If it is incorrect change it back to the right time. Make sure the month and year are correct too. That should fix it.

  • "This connection is untrusted" for any website I try to visit

    Trying to access any website and I get the "this connection is untrusted" error come up.
    Sites like the FireFox addons, Facebook, Tumblr, etc etc.
    I've tried adjusting my date and time (although it already is on the correct date and time..) and still, nothing.

    Example:

  • Every time I try to log into ANY website that is secured, I get an error message "This connection is untrusted."

    The error message is:
    This Connection is Untrusted
    You have asked Firefox to connect securely to www.facebook.com, but we can't confirm that your connection is secure.
    Normally, when you try to connect securely, sites will present trusted identification to prove that you are going to the right place. However, this site's identity can't be verified.
    What Should I Do?
    If you usually connect to this site without problems, this error could mean that someone is trying to impersonate the site, and you shouldn't continue.
    www.facebook.com uses an invalid security certificate. The certificate is not trusted because no issuer chain was provided. (Error code: sec_error_unknown_issuer)
    If you understand what's going on, you can tell Firefox to start trusting this site's identification. Even if you trust the site, this error could mean that someone is tampering with your connection.
    Don't add an exception unless you know there's a good reason why this site doesn't use trusted identification.
    Steps I have take so far:
    Verified that system clock is correct
    Cleared all cache, history, cookies, etc.; didn't help
    Started Firefox in Safe Mode; didn't help
    Disabled all Firefox extensions; didn't help
    uninstalled and reinstalled Firefox using Control Panel; didn't help
    Ran Microsoft Safety Scan for malware; nothing was found
    Other information:
    This problem exists ONLY in my user profile and ONLY in Firefox. All 5 other users can run Firefox with no problem. I can run IE and Chrome with no problem.
    Problem exists in ALL secured (https) sites.
    I use Avast and Windows Firewall. Had never heard of ESET or BitDefender before searching these forums.
    A lot of the sites don't give me the option to Make an Exception. The two that I tried to make exceptions for, still wouldn't open.
    Run Windows 7 64-bit

    unfortunately the fiddler2 issuer in certificates might be a sign of unwanted software present on your pc that is intercepting secure network traffic. please go into the system control panel and uninstall programs like BrowserSafeguard, BrowserSafe, SafeGuard or other software that sounds suspicious and didn't get installed by you intentionally.
    <br><sub>reference: https://support.mozilla.org/en-US/questions/982532#answer-520145</sub>
    afterwards, run a full scan of your system with different security tools like the [http://www.malwarebytes.org/products/malwarebytes_free free version of malwarebytes] & [http://www.bleepingcomputer.com/download/adwcleaner/ adwcleaner].
    [[Troubleshoot Firefox issues caused by malware]]

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