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Does firefox have an updated list of certificates?

I am having an issue specifically in Firefox (v47) regarding certificates. It is showing "SEC_ERROR_UNKNOWN_ISSUER" but it is not an unknown issuer. The certificate tree … (Lesen Sie mehr)

I am having an issue specifically in Firefox (v47) regarding certificates. It is showing "SEC_ERROR_UNKNOWN_ISSUER" but it is not an unknown issuer. The certificate tree is: GeoTrust Global CA > GeoTrust DV SSL CA - G3 > mywebsite.ca

I think that maybe one of the certificates in the tree is not on your certificate list as it's working in every other browser (not sure tho).

Let me know!


Thanks, Robin

Gefragt von robinf vor 4 Jahren

Letzte Antwort von cor-el vor 4 Jahren

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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 "… (Lesen Sie mehr)

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.

Gefragt von NidhiS vor 4 Jahren

Letzte Antwort von jscher2000 vor 4 Jahren

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Error code: sec_error_unknown_issuer - I have tried in many possible ways

Hi Team, I am facing "Error code: sec_error_unknown_issuer" error while running the Firefox from HP Loadrunner Tool. Manually It's working fine without any issues, when a… (Lesen Sie mehr)

Hi Team,

I am facing "Error code: sec_error_unknown_issuer" error while running the Firefox from HP Loadrunner Tool.

Manually It's working fine without any issues, when am trying to replay Am getting the error.

I have tried many possible ways to solve the issue.

1) Changed the Time 2) Changed the Proxy Settings to No Proxy

Can you please help me in solving the issue. Thanks in Advance.

Best Regards, Venkat

Gefragt von VenkataramanaMoodupalli vor 4 Jahren

Letzte Antwort von FredMcD vor 4 Jahren

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Firefox is now blocking me from accessing my emails. My home page is www.xfinity.comcast.net which I can acces but when I go to retrieve my email I get unsecu

Firefox is blocking my access to emails. When I enter my username and password I get an unsecure connection message

Gefragt von BradC vor 4 Jahren

Letzte Antwort von FredMcD vor 4 Jahren

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Problems loading secure sites

After an update (a few updates ago, I think it was to version 45, or one of the releases within that) I started having issues with some secure sites in Firefox - for most… (Lesen Sie mehr)

After an update (a few updates ago, I think it was to version 45, or one of the releases within that) I started having issues with some secure sites in Firefox - for most, I would get an error saying the connection was reset, some say the certificate is invalid and in the case of salesforce, their server spits out an error saying I have an outdated browser and does not meet their security requirements.

I followed the information in this article: https://support.mozilla.org/en-US/kb/unable-access-secure-https-sites-firefox-43 even though I was pretty sure the problem started well after v43, but did not seem from the tests described that this was the issue affecting me.

Then I tried the reset firefox function as suggested which worked - all sites I had previously had a problem with were loading - great! Unfortunately, that hasn't seemed to have lasted for long - I kept the setup fairly vanilla - the only add-ons I've installed are 1-password helper and evernote web clipper. After installign them I was having no issues, but now today 4-5 days later I am again experiencing the same issues.

One strange thing I have noticed that has occurred around the same time is the fact that my book marks seem to keep resetting - I make changes today and then they're back to how they were previously when I next start the browser - not sure if maybe it's sync messing with something and causing this, which could also be causing the SSL issue to come back? Not even sure how that could happen, but just wondering?

Any other ideas? Between the issues loading critical sites and my book marks disappearing, my loyalty to the browser I've used for years is starting to dwindle :(

Gefragt von graphicfood vor 4 Jahren

Letzte Antwort von cor-el vor 4 Jahren

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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… (Lesen Sie mehr)

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.

Gefragt von BD0000 vor 4 Jahren

Letzte Antwort von FredMcD vor 4 Jahren

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AOL email won't open in a separate window like it used to

When I double click on an email in AOL mail, it used to open a separate window and show the content. Now the separate window won't show content because of "connection not… (Lesen Sie mehr)

When I double click on an email in AOL mail, it used to open a separate window and show the content. Now the separate window won't show content because of "connection not secure". This started a few days ago.

Gefragt von texw vor 4 Jahren

Letzte Antwort von cor-el vor 4 Jahren

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i want to download vedios from unsipported sites ,which are not supported how can i donwload from there ??

i want download by (vedio download helper )from firefox ,but it said that you can download only from trusted sites but i dont know how trust and support sites from intern… (Lesen Sie mehr)

i want download by (vedio download helper )from firefox ,but it said that you can download only from trusted sites but i dont know how trust and support sites from internet ,please it is very necessary to me ,with my pleasure ....thanks a lot firefox

Gefragt von aliahmed17 vor 4 Jahren

Letzte Antwort von FredMcD vor 4 Jahren

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i have a problem ! i can't find and help here !

i have latest version ! I try to uninstall and install again ... i try to turn off my wi-fi and turned on it again :p but still the problem ! and make me angry ! damn … (Lesen Sie mehr)

i have latest version ! I try to uninstall and install again ... i try to turn off my wi-fi and turned on it again :p but still the problem ! and make me angry ! damn

Gefragt von Lahcen2010 vor 4 Jahren

Letzte Antwort von nrlx vor 4 Jahren

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certificate issue

" The certificate is not trusted because the issuer certificate is unknown. The server might not be sending the appropriate intermediate certificates. An additional root … (Lesen Sie mehr)

" 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)"


what do i do with this error ??

Gefragt von 5mohsen5 vor 5 Jahren

Letzte Antwort von jscher2000 vor 5 Jahren

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I See The Untrusted Connection Page When I Try To open Google & Bing Websites and I Cant even Search on the net

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 cer… (Lesen Sie mehr)

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.

www.google.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)

Gefragt von MSharafi13 vor 5 Jahren

Letzte Antwort von FredMcD vor 5 Jahren

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Firefox quits responding any time I try to move a file, likke a scan.

Since I updated Firefox a week ago or so, whenever I try to access a scan that I sent to my computer from my printer, my screen fades out and a sign pops up saying that F… (Lesen Sie mehr)

Since I updated Firefox a week ago or so, whenever I try to access a scan that I sent to my computer from my printer, my screen fades out and a sign pops up saying that Firefox is not responding and of course I get the spinning beach ball on my screen. I am using Windows 7 Pro.

Gefragt von electricontr vor 5 Jahren

Letzte Antwort von FredMcD vor 5 Jahren

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hates problem

I installed the httpseverywhere add-on. I don't know if it has anything to do with the problem I am having but every time I try to access a page nearly all pages but not … (Lesen Sie mehr)

I installed the httpseverywhere add-on. I don't know if it has anything to do with the problem I am having but every time I try to access a page nearly all pages but not quite all I get a warning instead of what I am looking for. The warning reads This Connection is Untrusted You have asked Firefox to connect securely to... (some URL (the one on my screen now is "add-ons.mozilla.org")), but we can't confirm that your connection is secure.... The goes on with explanation of why this could be as well as what I should do about it. It then gives me a button that reads "Get me out of here" and a link "Technical Details" I have tried everything including resetting Firefox to its original settings, reinstalling Firefox, uninstalling and reinstalling Firefox. The computer is a Dell Latitude, I just upgraded it to Windows 10 and installed Firefox. Do I need to revert to Windows 7.1? How can I get my favorite Web browser back to usability?

Gefragt von TingisBob vor 5 Jahren

Letzte Antwort von cor-el vor 5 Jahren

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Can't connet to YouTube - "Connection is Untrusted"

When I try to connect my granddaughter's laptop to YouTube, Firefox says, "This Connection is Untrusted." It won't let me continue because it says YouTube uses HTTP Stri… (Lesen Sie mehr)

When I try to connect my granddaughter's laptop to YouTube, Firefox says, "This Connection is Untrusted." It won't let me continue because it says YouTube uses HTTP Strict Transport Security. I have no problems with any other websites.

The error code is sec_error_unknown_issuer

The laptop uses Windows 10, which I despise, and is an HP Pavilion x2 11-h110nr.

Please help; YouTube is apparently vital to her continued existence.

Gefragt von WagTheDog vor 5 Jahren

Letzte Antwort von cor-el vor 5 Jahren

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I keep getting "This Connection is Untrusted" for multiple sites. I thought it was kaspersky. removed it. and problem still happens

I keep getting the error: This Connection is Untrusted I thought it was kaspersky, removed it, and problem still occurs. I've tried clearing all history, but problem stil… (Lesen Sie mehr)

I keep getting the error: This Connection is Untrusted I thought it was kaspersky, removed it, and problem still occurs. I've tried clearing all history, but problem still happens. I happens on multiple sites. not just one. Any suggestions or things to check for? I have also tried the refresh firefox option. once I get this error, I try a few time clearing history. then have to restart the computer. it works sometimes.

Gefragt von MonkeyB vor 5 Jahren

Letzte Antwort von FredMcD vor 5 Jahren

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Unable to use google

After updating firefox I no longer can access Google. I am constantly told that the network is untrusted and that it has an invalid security certificate. How can I fix th… (Lesen Sie mehr)

After updating firefox I no longer can access Google. I am constantly told that the network is untrusted and that it has an invalid security certificate. How can I fix this?

Gefragt von cfitzzy vor 5 Jahren

Letzte Antwort von cor-el vor 5 Jahren